问题补充：
The crowd cheered wildly at the sight of Liu Xiang, who was reported, throughout the whole country, the world record in the 110-meter hurdle race.
A. breaking
B. having broken
C. to have broken
D. to break
答案：
A. breaking
B. having broken
(答案→)C. to have broken
D. to break
解析：考查句型：sb/sth is reported to do/to have done,如果是将要做，用不定式一般式to do如果是已经做了，用不定式的完成式，句意：看见刘翔人们疯狂的欢呼，据报道他在110米栏比赛中打破了世界纪录。选C。
