---I’m sorry, I at you the other day.
----Forget it. I was out of control at that time, too.
A. shouldn’t shout
B. mustn’t have shouted
C. shouldn’t have shouted
D. mustn’t shout
网友回答
A. shouldn’t shout
B. mustn’t have shouted
(答案→)C. shouldn’t have shouted
D. mustn’t shout
解析：考查情态动词和虚拟语气。本题考查的是对过去的情况举行说明的虚拟语气，使用“情态动词+have done”；shouldn‘t have done本不应该做某事，实际上却做了；没有mustn’t have done的形式。句意：—对不起，前天，我本不应该对你大喊大叫的。—没关系，那个时候我也失去控制。故Ｃ正确。