—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

答案：

D 【解析】试题分析：句意:当我们看到她的时候，杨小姐为什么看上去那么焦急？因为她想知道她的学生是否幸免于这次地震。宾语从句要用陈述句语序，排除AB，主句是一般过去时，宾语从句要用相应的过去时，故选D。考点：考查宾语从句。

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