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

Câu hỏi: Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

A. The attack's is believed to have carried but a single gunman. 

B. A single gunman is believed to have carried out the attack. 

C. It is believed to be carried out the attack by a single gunman. 

D. It is believed that the attack has been carried out by a single gunman.