may have a chance to be successful if he tries his best.A. SomebodyB. EverybodyC. NobodyD

问题补充：

may have a chance to be successful if he tries his best.

A. Somebody

B. Everybody

C. Nobody

D. None

答案：

A. Somebody

(答案→)B. Everybody

C. Nobody

D. None

解析：Somebody某人；Everybody每个人；Nobody没有人；None没有人，一个也没有。句意：如果尽力，每个人都有成功的机会。故选B。