Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
It was wrong of you to criticise your son in front of his friends.
A.You shouldn't have criticised your son in front of his friends.
B.You must have criticised your son in front of his friends.
C.You mightn't have criticised your son in front of his friends.
D.You could have criticised your son in front of his friends.