一Why did Miss Wang 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

1、D  宾语从句要用陈述句形式，如果主句是一般过去时，从句用相应的过去时。选D。