Question

【题目】It was not until I told him __________ he knew about it.

A. that B. when C. while D. as

Answer 1

【答案】A

【解析】句意：直到我告诉他，他才知道这件事。根据语义可知本句为not...until...句型的强调句。句型为：It is/was not until+被强调部分+that+其它部分。when/while/as不是构成强调句式结构的连词。故选：A。