A:I am sorry,I ------------at you the other day B:Forget it .I was a bit out of control myself.

问题描述:

A:I am sorry,I ------------at you the other day B:Forget it .I was a bit out of control myself.
A:I am sorry,I ------------at you the other day
B:Forget it .I was a bit out of control myself.
A shouldn't shout
B shouldn't have shouted
C mustn't shout
D mustn't have shouted
怎么不选A 而选B
A与B这两种类型有什么区别

A shouldn't shout 表示不应该做某事
B shouldn't have shouted表示本不应该做某事却做了,有懊悔之意