题目

题型：不详难度：来源：

I had just got up and was about to cook my breakfast ___the telephone rang loudly, but it hung up __I could answer it .

A．when ; before

B．when ; as

C．as ; after

D．while ; when

答案

A

解析

试题分析：考查固定句型。固定句型：be about to do sth when…正要做某事在这时…；句意：我已经起床了。正要去做早饭在这时电话响了，但是在我接电话之前，电话却挂断了。故A正确。
点评：固定句型：be about to do sth when…正要做某事在这时…；when后面接的句子表示意料之外的结果。