仓库内原存有某种原料3500千克，一周内存入和领出情况如下（存入为正，领出为负．单位：千克）：350，-300，-650，600，-1800，-250，-200，问第七天末仓库内还存有这种原料多少千克？

The person to whom the goods are shipped is called

A．the consignor
B．the consignee
C．the shipper
D．the manufacturer