两位同学在观看电影时，高谈阔论，无所顾忌，遭到周围人的指责。对此现象以下评价错误的是

A．尊重他人才能赢得他人的尊重

B．人们之间需要相互尊重

C．礼貌是文明的体现

D．公民有言论自由任何人无权干涉

It is important to note that from the core company’s perspective, the supply chain includes （）, upstream supplier and down stream customers.

A.Internal functions

B.External functions

C.Information systems

D.Physical distribution