我国企业改革的目的在于实现企业投资主体的多元化，明晰产权关系，建立起以( )分权与制衡为特征的公司法人治理结构。

A．股东大会

B．经理

C．董事会

D．监事会

Only when _____ five _____ my father. [ ]

A. I was; I saw

B. was I; I saw

C. I was; did I see

D. was I; did I see