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 careless of you to leave the windows open last night.
A.You mustn’t have left the windows open last night.
B.You needn’t have left the windows open last night.
C.You might have left the windows open last night.
D.You shouldn’t have left the windows open last night.