—WhydidMissYanglooksoworriedwhenwesawher?        —Beca...

问题详情：

 — Why did Miss Yang look so worried when we saw her?

         — Because she wondered ________.

        A. where did the other students go 

        B. when would the policeman come

        C. what her students have done during the trip 

        D. if her students had survived the earthquake

【回答】

D

知识点：宾语从句

题型：选择题