第1个回答 2013-04-10
给你一个类似的句子你就明白为什么不选A了】
it was not untill when he arrived at the station that he realized he had forgetton his ticvket
能用it that 主要是去掉it that 之后还能构成句子 而题目中无法构成句子所以不能选择that
这类用法要学会总结还有几个类似句子似乎有一个是it was 9:00when he arrived home
it was at 9:00 that he arrived home
别的记得不多了