The president of the city's largest lawyers' group said the Occupy Central(占领中环) action was without _______ grounds and the notion( 观念) of "peaceful violence" was just "beautiful rhetoric"(花言巧语).
---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