I shall never forget the day Liu Xiang won the gold medal has a great effect on my life

问题补充：

I shall never forget the day Liu Xiang won the gold medal, has a great effect on my life.

A. when; which

B. that; which

C. which; that

D. when; that

答案：

(答案→)A. when; which

B. that; which

C. which; that

D. when; that

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