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.
老师您好，这道题我想问一下，是不是无论对于风险厌恶，风险中性和风险追求的投资者，risk-return的relationship都是positive的呢？
