Question

I didn’t see your sister at the meeting. If she ___________, she would have met my brother.

A．has come

B．did come

C．came

D．had come

Answer 1

D。

本题考查的是if条件句中的虚拟语气。题意是：我在会议上没看到你姐姐，故你姐姐没来。因此如果“她来了”与事实相反，前面一句交代了虚拟语气的时态是一般过去时的虚拟，所以if从句中用had+过去分词。