It’s so hot today. Why not stay at home and read books?- ! Let’s read the novel Twi

问题补充：

--- It’s so hot today. Why not stay at home and read books?

--- ! Let’s read the novel Twilight.

A. That’s Ok.

B. Good luck

C. Of course not

D. Good idea

答案：

A. That’s Ok.

B. Good luck

C. Of course not

(答案→)D. Good idea

解析：why not表示建议，对于别人的建议，我们觉得可行，可以说好主意，good idea表示好主意的意思，故本题选D。