问题
选择题
________ is often the case with her, my mother talked about my study for at least half an hour nonstop before she drove me to school yesterday.
A．As
B．Which
C．What
D．That
答案
答案：A
题目分析：考查定语从句。句意是：“这是常有的事： 我的母亲昨天开车送我去学校前谈到我的学习至少不间断说了半个小时。”本题考查as引导的非限定性定语从句，As指代后面整一个句子， which不可放在句首，故选A。
