NO.PZ2018070201000017
问题如下：
With respect to the investment decision, which of the following is easier to controll by investors?
选项：
A.Risks
B.Risk-adjusted returns
C.Returns
解释：
A is correct.
Risk is something that organizations can actively control with their decision. On the other hand, return is something that not easily controlled.
如何进行风险调整，risk-adjustment
