It wasn’t until nearly a month later I received the manager’s reply.A. sinceB. whenC. asD

问题补充：

It wasn’t until nearly a month later I received the manager’s reply.

A. since

B. when

C. as

D. that

答案：

A. since

B. when

C. as

(答案→)D. that

解析：考查强调句型。结构：It is/was 被强调成分 that/who 其它成分；强调句型最大的特点是把基本结构it is/was…that/who去掉，句子仍然正确。句意：直到一个月以后我才收到经理的回信。