—Look! The man at the gate              be our headmaster. He is always standing there every morning.

—No, it              be him, He is having a meeting in the office now. [ ]

A. must, can't

B. must, mustn't

C. can, can't

以下哪种表述不是一般的公司制企业与国有控股公司的区别？（）

A.财产形态不完全一样

B.控股比例不完全一样

C.具体经营方式不完全一样

D.出资者的经济成分不完全一样