--- I’m sorry.I ___________ at you the other day.
--- 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
答案:B
shouldn’t 不应该mustn’t 禁止 根据题意,对不起,那天我不应该对你大喊。——算了。我只是有点控制不了自己。可知上文叙述的事情已经发生,故选B。