问题
选择题
The crowd cheered wildly at the sight of liu xiang, who was reported _______ the world record in the 110-meter hurdle race.
A．breaking
B．having broken
C．to have broken
D．to break
答案
答案：C
本题考查不定式的完成时态。不定式具有时态和语态的变化，时态分为三类：一般式、完成式、进行式；语态分为：主动语态和被动语态。