问题
选择题
—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
答案：D
题目分析：句意：我们看到杨女士的时候她为什么看起来那么担心呢？因为她想知道她的学生是否在地震中幸存下来了。句中所缺的是宾语从句，需用陈述语序，故选D。