Freight forwarders should study the provisions of the letter of credit and all governments regulation applicable to the shipment of goods in( )．

A．the exporter's country

B．the importer's country

C．the countries involved

D．European countries

关于【录入调拨单】上‘转出/转入仓库’的描述，以下表述正确的是？（）

A.转出仓库须为单头工厂的仓库

B.转入仓库须为单头工厂的仓库

C.转入仓库可为不同工厂的仓库

D.不同仓库性质的仓库，其料件不可相互调拨