Who was it saved the drowning girl?A. sinceB. asC. thatD. he

问题补充：

Who was it saved the drowning girl?

A. since

B. as

C. that

D. he

答案：

A. since

B. as

(答案→)C. that

D. he

解析：被强调成分为 who，该句实为类似 It was Tom that saved the drowning girl. 这类强调句的特殊疑问句形式（即对其中的Tom 提问而得）。