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

Câu hỏi: Mark the letter A, B, C, or D on you answer sheet to indicate the sentences that is closest in meaning to each of the following questions
It was his lack of confidence that surprised me.

A.He surprised me by his lack of confidence.

B.What surprised me was his lack of confidence.

C.That his lack of confidence surprised me.

D.That he lacked of confidence surprised me.