Mark the letter

Câu hỏi: Mark the letter A, B, c or D on your answer sheed to indicate the sentence that is closest in meaning to each of the following questions.
Everybody believes that he shouldn’t have trusted the people around him so much.

A.  He was so credulous that all the people around him could easily deceive him.

B.  He now admits that some of the people around him didn’t deserve to be trusted at all.

C. The general opinion is that he made a mistake by having so much faith in the people around him.

D. Nobody thinks that any of the people around him are honest enough to be trusted.