单项选择。

Uncle Wang is going to Beijing. He is packing his suitcase ____ clothes. [ ]

A. on

B. with

C. of

D. in

物流服务项目质量评价指标体系中，仓储服务的质量指标包括( )。

A．货物收发差错率

B．账货相符率

C．准时交货率

D．物流成本率

E．设备完好率