Liu Xiang will win the gold medal interests all the Chinese people.A. WhatB. WhoC. ThatD.

问题补充：

Liu Xiang will win the gold medal interests all the Chinese people.

A. What

B. Who

C. That

D. Which

答案：

A. What

B. Who

(答案→)C. That

D. Which

解析：句意:刘翔将赢得金牌使许多中国人很感兴趣。这里是that引导的主语从句，它在从句中不作成分，只起连接的作用但不能省略，故选C。