A great many people paid attention to the race in the sports meeting to be held next qua

问题补充：

A great many people paid attention to the race in the sports meeting to be held next quarter.

A. 800-metre-long

B. 800-metres-long

C. 800 meter length

D. 800 meters length

答案：

(答案→)A. 800-metre-long

B. 800-metres-long

C. 800 meter length

D. 800 meters length

解析：考查复合形容词：句意：很多人注意下个季度将举行的运动会的800米赛跑。800-metre-long是复合形容词，单词之间需要连词符，名词metre应该是单数。选A。