the fact that David failed in the competition his teacher thought he had done his best.A

问题补充：

the fact that David failed in the competition ,his teacher thought he had done his best.

A. benefit

B. profit

C. power

D. advantage.

答案：

A. benefit

(答案→)B. profit

C. power

D. advantage.

解析：考查句式结构：the fact是名词，用Despite，介词，虽然，句意是：虽然事实是，大卫在比赛中失败了，他的老师认为他尽力了。选B。