问题
选择题
_________she was having supper , her telephone rang.
A．While
B．As soon as
C．After
D．Before
答案
答案：A
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。