Mark the letter A, B, C or D on...

Câu hỏi: 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.  

A. Joanna shouldn’t have received my message.

B. Joanna needn’t have received my message.

C. Joanna mightn’t have received my message.

D. Joanna can’t have received my message.