可否帮我明确一下与风险承受能力相关的全部因素？

NO.PZ2023021601000052 问题如下 Whiof the following is most likely associatewith investor's ability to take risk rather ththe investor's willingness to take risk? (mock) A.The investor ha long investment time horizon. B.Safety of principis very important to the investor. C.The investor believes earning excess returns on stocks is a matter of luck. Investment time horizon is objective factor thmeasures the investor's ability to take risk. B为什么不对

NO.PZ2023021601000052问题如下Whiof the following is most likely associatewith investor's ability to take risk rather ththe investor's willingness to take risk? (mock)A.The investor ha long investment time horizon.B.Safety of principis very important to the investor.C.The investor believes earning excess returns on stocks is a matter of luck.Investment time horizon is objective factor thmeasures the investor's ability to take risk.其实是因为在上课的时候我就在想，我愿意选择更长期或者更短期的投资（尤其是没有说明是投什么类型的产品的时候）也是可以印证我承受投资风险的意愿的呀。选择长期的，很有可能回不来本金，说明我更愿意承担风险。选择短期的，也有可能是抓住短期机会（比如套利），也说明我更愿意承担风险。所以我还是不能理解为什么投资期的长短只是反映承担风险的能力，我觉得两者都有的。

NO.PZ2023021601000052 问题如下 Whiof the following is most likely associatewith investor's ability to take risk rather ththe investor's willingness to take risk? (mock) A.The investor ha long investment time horizon. B.Safety of principis very important to the investor. C.The investor believes earning excess returns on stocks is a matter of luck. Investment time horizon is objective factor thmeasures the investor's ability to take risk. 怎么理解呀，投资期越长不是风险承受能力越低吗