问题补充：
She won the first prize in the speech contest and surprised us.
A. which
B. it
C. as
D. who
答案：
A. which
(答案→)B. it
C. as
D. who
解析：由题干中的and可知全句为并列句，it指代上文的情况。
时间：2022-12-02 23:24:13
She won the first prize in the speech contest and surprised us.
A. which
B. it
C. as
D. who
A. which
(答案→)B. it
C. as
D. who
解析：由题干中的and可知全句为并列句，it指代上文的情况。
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