请教大家一道Level 2 SchweserNotes Book4的课后练习题（Study Session 12的Discounted Dividend Valuation）。

An investor buys a stock he determines to be underpriced in the market. He estimates the required rate of return on the stock to be 14%. if he expects that the stock will be underpriced at the end of the year, the expected holding-period return :

A. is greater than 14%

B. is less than 14%

C.could be less than, equal to, or greater than 14%

答案的解释不太明白。请大家帮帮忙吧。多谢啦。