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

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.
Perhaps, the violence was provoked by the fans of the visiting team.

A. It can have been the visiting team's fans that set off the violence.

B. The fans of the visiting team must have been the people who began the violence.

C. There might have been some violence caused by the visiting team's fans.

D. The fans of the visiting team should have brought about the violence.