He proved himself a true gentleman and the beauty of his _____ was seen at its best when he worked with others.

A．temper

B．appearance

C．talent

D．character

()与获取营业收入没有直接关系，但其高低反映了企业经营管理的能力。

A．营业成本

B．营业税金及附加

C．销售费用

D．管理费用

E．生产费用