请老师再解释一下三个选项

NO.PZ2023010903000041 问题如下 RegulFun: Invests in a combination of globequity securities from 5–10 fferent countries. Portfolio weights are austeto take aantage of companies thappeto have the best near-term growth prospects.Clickmasks Leeter how RegulFun termines its equity selections. Leeter says thReguluses monthly ta from non-trational, but measurable, sources to termine the influenof customer angovernment attitus towara firm anits procts. Leeter also notes thRegulcompares its performanrelative to equity benchmark customizeto its strategy anththe factors tento more volatile thtrationmarket factors. He also states ththe funes tento suffer in performanwhen exchange rates are volatile.Using Exhibit 1 anthe equity selection process of RegulFun, the strategy will most likely benefit from: A.a portfolio overl B.a new benchmark C.using annurebalancing RegulFun will benefit from a portfolio overlof rivative securities to eliminate exchange rate risk.B is incorrect. Reguluses a custom benchmark this alrea appropriate for its strategy.C is incorrect. Annurebalancing is too infrequent given the volatile nature of the factors useRegulas. 请问这题对应的知识点是什么？讲义的什么位置

NO.PZ2023010903000041问题如下 RegulFun: Invests in a combination of globequity securities from 5–10 fferent countries. Portfolio weights are austeto take aantage of companies thappeto have the best near-term growth prospects.Clickmasks Leeter how RegulFun termines its equity selections. Leeter says thReguluses monthly ta from non-trational, but measurable, sources to termine the influenof customer angovernment attitus towara firm anits procts. Leeter also notes thRegulcompares its performanrelative to equity benchmark customizeto its strategy anththe factors tento more volatile thtrationmarket factors. He also states ththe funes tento suffer in performanwhen exchange rates are volatile.Using Exhibit 1 anthe equity selection process of RegulFun, the strategy will most likely benefit from: A.a portfolio overlayB.a new benchmarkC.using annurebalancing RegulFun will benefit from a portfolio overlof rivative securities to eliminate exchange rate risk.B is incorrect. Reguluses a custom benchmark this alrea appropriate for its strategy.C is incorrect. Annurebalancing is too infrequent given the volatile nature of the factors useRegulas. 除了外汇风险以外，题目中第二句话也说这个策略本身是通过近期发展的预期来获利了，所以如果每年rebalance会让benchmark更精确从而更好地根据短期的发展预期来获得利润。我理解这里需要对冲外汇风险，但是不知道为什么C不对？

NO.PZ2023010903000041 问题如下 RegulFun: Invests in a combination of globequity securities from 5–10 fferent countries. Portfolio weights are austeto take aantage of companies thappeto have the best near-term growth prospects.Clickmasks Leeter how RegulFun termines its equity selections. Leeter says thReguluses monthly ta from non-trational, but measurable, sources to termine the influenof customer angovernment attitus towara firm anits procts. Leeter also notes thRegulcompares its performanrelative to equity benchmark customizeto its strategy anththe factors tento more volatile thtrationmarket factors. He also states ththe funes tento suffer in performanwhen exchange rates are volatile.Using Exhibit 1 anthe equity selection process of RegulFun, the strategy will most likely benefit from: A.a portfolio overl B.a new benchmark C.using annurebalancing RegulFun will benefit from a portfolio overlof rivative securities to eliminate exchange rate risk.B is incorrect. Reguluses a custom benchmark this alrea appropriate for its strategy.C is incorrect. Annurebalancing is too infrequent given the volatile nature of the factors useRegulas. 如果换一个更合适的benchmark, 比如换个波动率也很大的,那也可以解决问题啊

NO.PZ2023010903000041问题如下 RegulFun: Invests in a combination of globequity securities from 5–10 fferent countries. Portfolio weights are austeto take aantage of companies thappeto have the best near-term growth prospects.Clickmasks Leeter how RegulFun termines its equity selections. Leeter says thReguluses monthly ta from non-trational, but measurable, sources to termine the influenof customer angovernment attitus towara firm anits procts. Leeter also notes thRegulcompares its performanrelative to equity benchmark customizeto its strategy anththe factors tento more volatile thtrationmarket factors. He also states ththe funes tento suffer in performanwhen exchange rates are volatile.Using Exhibit 1 anthe equity selection process of RegulFun, the strategy will most likely benefit from: A.a portfolio overlayB.a new benchmarkC.using annurebalancing RegulFun will benefit from a portfolio overlof rivative securities to eliminate exchange rate risk.B is incorrect. Reguluses a custom benchmark this alrea appropriate for its strategy.C is incorrect. Annurebalancing is too infrequent given the volatile nature of the factors useRegulas. portfolio overlay怎么理解