----- I’m sorry . I at you the other day .
----- Forget it. I was also a bit out of control of myself.
A. shouldn’t shout
B. mustn’t shout
C. shouldn’t have shouted
D. mustn’t have shouted
网友回答
A. shouldn’t shout
B. mustn’t shout
(答案→)C. shouldn’t have shouted
D. mustn’t have shouted
解析：考查情态动词+完成式的用法：句意：--对不起，那天我不该对你大声叫喊。--没事，我也有点失控了。因为说的是几天前的事情，要用情态动词+完成式，排除AB，must接完成式用于肯定句“过去一定做过..”，这里用shouldn’t have done过去本不该做…而做了，选C。