就一道英语选择题~九年级的！！！

来源：百度知道 编辑：UC知道 时间：2024/09/28 14:35:36
_____________the policeman heard the cry for help ,he rushed out of the room.

A.As soon as B .While

麻烦大家讲下这两者的区别，还有这道题的答案，这两者的用法``` .......万分感谢！！！！

A
一怎么怎么样
就怎么怎么样
i will call you as soon as i arrive in Japan

while强调前后动词的平衡，换言之就是形式一般相同
而且一般强调过程，比如说
i was doing my homework while my mother was cleaning the table

选A.
As soon as是一……就，中间没有时间差，马上做的。
While是正当……的时候，
题目意思是：警察一听见救命声，就马上冲出房间。

A
区别是:A的意思是一旦.....就.....
B的意思是当.....

A is correct ,the different usage