問題詳情：
單項填空
—Why did Miss Wang look so worried?
—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 賓語從句的時態通常與主句時態保持一致，故可排除C項；賓語從句應用陳述語序，故選D。
知識點：賓語從句
題型：選擇題
