—Why did you persuade me _______ that dress?  

—Because I think it's suitable for you.         [ ]

A. buy

B. buying

C. to buy

D. bought  

设备采购咨询是工程咨询的重要业务，包括设备采购招标和( )两个内容。

A．设备购买

B．设备加工监造

C．合同管理

D．设备采购评标