英语选择题You'd better not __ this when you __ with her.

问题描述:

英语选择题You'd better not __ this when you __ with her.
You'd better not __ this when you __ with her.
A.mentioned...are talking
B.mention...will talk
C.mention...are talk
D.to mention...talk
请问这个考的是哪个知识点?为什么?
不好意思,C打错了,是 mention...are talking,请问为什么?

B阿,首先,had better后面要接动词原型的,所以只能b或c
然后c的话要 are talking的,对吧,所以只能b,will talk