All the athletes competed each other for gold medals in the Olympic Games. A. againstB. f

问题补充：

All the athletes competed each other for gold medals in the Olympic Games.

A. against

B. for

C. between

D. over

答案：

(答案→)A. against

B. for

C. between

D. over

解析：考查固定搭配。固定搭配compete against/with sb for sth为了得到sth与某人竞争；句意：在奥运会上所有的运动员都为了得到金牌而相互竞争。故A正确。