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？