Liu Xiang earned the respect from the whole world as he hopped down the track to the finishing line, the last hurdle.
A. kissed
B. to kiss
C. having kissed
D. kissing
网友回答
A. kissed
B. to kiss
C. having kissed
(答案→)D. kissing
解析：考查非谓语动词。此处kissing the last hurdle是伴随状语，因kiss和其逻辑主语之间构成主动关系，所以用其现在分词形式。句意：当刘翔单腿蹦到终点，吻最后一个跨栏的时候，他赢得了全世界的尊敬。故D正确。