下列句内停顿，不正确的一项是[ ]

A．语从/而师之

B．其闻道/也固先乎吾

C．所以/传道受业解惑也

D．是故/无贵无贱，无长无少

Fair and （） competition in government procurement around the world is good business and  good public policy.Competitive pricing,product （） and performance improvements result from competitive practices and help ensure that government authorities get the best （） for the public they serve.

And help ensure that government authorities get the best （） for the public they serve.

A.help

B.server

C.value

D.policy