NO.PZ2018070201000050
问题如下：
If an investor is risk aversion, the risk-return relationship is most likely to be?
选项：
A.negative.
B.neutral.
C.positive.
解释：
C is correct
If the investor shows risk aversion, the risk-return relationship is positive. When risk increases, investor requires higher return to compensate the additional risks.
不大理解这道题的意思，能解释一下？
