It was the training he had as a young man made him so excellent.A. what; thatB. that; wh

问题补充：

It was the training he had as a young man made him so excellent.

A. what; that

B. that; which

C. that; what

D. which; that

答案：

A. what; that

B. that; which

C. that; what

(答案→)D. which; that

解析：第一空考查定语从句，先行词是the training，定语从句中had后面缺少宾语，第二空考查强调句，强调的是the training，句意是：就是他在年轻的时候进行的训练使他这么优秀。选D。