Question

【题目】The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out to greet her.

A. before B. until

C. as D. since

Answer 1

【答案】A

【解析】根据 “rung the bell” 和 “the door was opened “的发生先后, 可以得出答案。句子的含义是：女孩还没来得及按门铃, 门就突然打开了。她的朋友们一拥而上去欢迎她。