这道题为什么不能选A选项呢？

问题如下：

Question The Gordon growth model is most appropriate for valuing a company's stock when the company's:

选项：

A.A.earnings are expected to grow faster than the economy.

B.B.earnings are expected to include periods of very high or very low growth.

C.C.required return on equity is greater than its expected dividend growth rate.

解释：

• calculate the value of a common stock using the Gordon growth model and explain the model’s underlying assumptions