When we leave our classroom ,we need to walk ____,or somebody may get hurt .

问题描述:

When we leave our classroom ,we need to walk ____,or somebody may get hurt .
A.one by one B in a hurry C.hurriedly D.at the same time

选A啊
A一个接一个
B匆忙,赶快
C同B的差不多,也是匆匆忙忙
D同一时间
原句的意思是:当我们离开教室的时候,我们应该_____走,否而就会有人受伤了