--- 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
网友回答
A. shouldn’t shout
(答案→)B. shouldn’t have shouted
C. mustn’t shout
D. mustn’t have shouted
解析：前句中有明显的时间状语the other day (几天前)，故用表示对“过去”推测的谓语形式shouldn’t have shouted，指“过去本不该大嚷的”。