I tried hard to get some information about the new technology from him but he remained .

问题补充：

I tried hard to get some information about the new technology from him, but he remained .

A. peaceful

B. skilful

C. silent

D. calm

答案：

A. peaceful

B. skilful

(答案→)C. silent

D. calm

解析：词义辨析题。A.peaceful 和平的 B. skilful 熟练 C.silent沉默 D.calm 冷静句意：我想从他那里得到一些关于新技术的信息但是他依然沉默不语。根据语境选C