He’s trained hard for the last two years. It is he did so well at the track and field mee

问题补充：

He’s trained hard for the last two years. It is he did so well at the track and field meet yesterday.

A. no problem

B. no wonder

C. no doubt

D. no way

答案：

A. no problem

(答案→)B. no wonder

C. no doubt

D. no way

解析：根据上句，他过去两年一直努力训练，难怪他在昨天的田径比赛中表现的很好。no wonder是难怪的意思。