Mr. White works as a lawyer now, but he     in a company for several years.

A．worked

B．has worked

C．had worked

D．has been working

隋唐时期，三司是处理重大案件的特别法庭，其组成机构是( )

A．大理寺、刑部、御史台
B．国子监、刑部、大理寺
C．刑部、吏部、御史台
D．大理寺、兵部、御史台