It was his lack of confidence that surprised me.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions.
It was his lack of confidence that surprised me.
A. That he lacked of confidence surprised me.
B. That his lack of confidence surprised me.
C. He surprised me by his lack of confidence.
D. What surprised me was his lack of confidence.