Possibly encouraged by Liu Xiang a number of students want to have a try in the hurdle ra

问题补充：

Possibly encouraged by Liu Xiang, a number of students want to have a try in the hurdle race.

A. 110-meter-long

B. 110-meters-long

C. 110-meter length

D. 110 meters length

答案：

(答案→)A. 110-meter-long

B. 110-meters-long

C. 110-meter length

D. 110 meters length

解析：考查复合词。英语中复合词的构成有一定的规则。一般是构成复合词的每个单词都用原形，中间用短横线连接，length是名词长度的意思。选项BCD结构错误，故选A。