问题补充:
she was having supper , her telephone rang.
A. While
B. As soon as
C. After
D. Before
答案:
(答案→)A. While
B. As soon as
C. After
D. Before
解析:考查时间状语从句。While“当,而”,常与延续性动词连用;as soon as“一......就......”;after“在......之后”;before“在......之前”。句意“当她正在吃晚饭时,电话响了。”故选A。