I’m sorry. I at you the other dayForget it. I was a bit out of control myself.A

问题补充：

--- 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：

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”。