It wasn't until nearly a month later I received the manager's reply .
A. since
B. when
C. as
D. that
网友回答
A. since
B. when
C. as
(答案→)D. that
解析：主要测试强调句型。译文：差不多一个月后，我才收到经理的回复。解答有关强调句型的试题可以利用：把句子中的it is 。。。that。。去掉，适当的调整句子结构后，句子仍然成立的就属于强调句型，否则就不是。此题省略上面的结构后应该为I didn't receive the manager's reply until nearly a month later.至此答案即可一目了然。