A-A+
The building was completed two months ahead of
问题详情
The building was completed two months ahead of time, _________ is something we had not expected.
[A]it
[B]that
[C] which
[D] what请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
C【精析】句意：这座楼提前了两个月竣工，这是我们当初所没有预料到的。本题考查非限制性定语从句的用法。整个句子作先行词时，只能用which作为连接代词。故应选择C。
