政府采购信息管理平台中的采购项目验收单在（）可以下载打印。

A.添加合同前

B.添加合同后

C.签署合同前

D.签署合同后

Under CIP，the( )bears all risks and any additional costs occurring after the goods have been so delivered．

A．seller

B．buyer

C．freight forwarder

D．receiver