It was wrong of you to criticise your son in front of his friends

A. A. Yon must have criticised your son in front of his friends. B. You could have criticised your son in front of his friends. C. You mightn't have criticised your son to front of his friends. D. You shouldn't hare criticised your son to front of his friends.

B. You could have criticised your son in front of his friends. C. You mightn't have criticised your son to front of his friends. D. You shouldn't hare criticised your son to front of his friends.

C.  mightn't have criticised your son to front of his friends.

D.  You shouldn't hare criticised your son to front of his friends.