【题目】It ___ we had stayed together for a couple of weeks _____I found we are very different people．
A． was until; when B． was until; that
C． wasn’t until; when D． wasn’t until; that
在线课程【答案】D
【解析】考查not…until强调句型。Not…until (直到…才…) 的强调句型，即it is/was not until+时间状语或状语从句+that+主句。句意：直到我们呆在一起两个星期我才发现我们是不同的两类人。故选D.