B选项应该说的也不全面吧

问题如下：

The Pricing of Risky Assets:

选项：

Based on the assumption that investors are risk neutral

Discounting the expected future price of an asset requires taking into account a risk premium of λ

Discounting the expected future price of an asset using the risk-free rate

解释：

B is correct

对风险资产进行定价时假设投资者是厌恶风险的，而不是风险中性的。A错

投资者将一项没有中期现金流的资产的预期未来价格E(ST)进行折现的时候，需要用无风险利率r + λ(风险溢价)来进行折现。C错，B对。