问题如下图：
选项：
A. 
B. 
C. 
解释：
选项C是什么意思呢？b为什么不对
NO.PZ2015122802000056 问题如下 Rebalancing inx is the process of periocally austing the constituent: A.securities’ weights to optimize investment performance. B.securities to maintain consistenwith the target market. C.securities’ weights to maintain consistenwith the inx’s weighting metho is correct.Rebalancing refers to austing the weights of constituent securities in inx to maintain consistenwith the inx’s weighting metho 为什么选C，以及为什么不选B？调整成分股不是为了更好的贴近市场情况吗？为什么是为了满足指数计算方式呢？
NO.PZ2015122802000056 问题如下 Rebalancing inx is the process of periocally austing the constituent: A.securities’ weights to optimize investment performance. B.securities to maintain consistenwith the target market. C.securities’ weights to maintain consistenwith the inx’s weighting metho is correct.Rebalancing refers to austing the weights of constituent securities in inx to maintain consistenwith the inx’s weighting metho 题目没读懂，求翻译
securities to maintain consistenwith the target market. securities’ weights to maintain consistenwith the inx’s weighting metho C is correct. Rebalancing refers to austing the weights of constituent securities in inx to maintain consistenwith the inx’s weighting metho 老师 A的表述也是没有问题的吧
securities to maintain consistenwith the target market. securities’ weights to maintain consistenwith the inx’s weighting metho C is correct. Rebalancing refers to austing the weights of constituent securities in inx to maintain consistenwith the inx’s weighting metho A为什么不对呢？感觉也没错呀
不明白这个概念，为什么只针对等权重指数，不针对价格权重指数和市值权重指数？到底要调整什么？
