I know nothing about him except that he works in company.A. certainB. someC. oneD. an

问题补充：

I know nothing about him except that he works in company.

A. certain

B. some

C. one

D. an

答案：

A. certain

(答案→)B. some

C. one

D. an

解析：考查形容词：some表示某一个，相当于a certain，句意：我对他一无所知除了他在某家公司工作。选B。