(2010·福建)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
网友回答
(答案→)A. before
B. until
C. as
D. since
解析：这个女孩刚一(几乎还没有)按门铃，门突然就被打开了，她的朋友冲出来迎接她。hardly...before“几乎还没有……就……”，“刚一……就……”，暗含“快”的意思。