单项选择题
A.信用证;提单;买方 B.提单;信用证;买方 C.提单;信用证;卖方 D.信用证;提单;卖方
A.plastic drum;gunny bag;wooden case B.wooden ease;plastic drum;gunny bag C.wooden case;gunny bag;plastic drum D.plastic drum;wooden case;gunny bag
A.business;invoice;contract B.foreign trade;contract;invoice C.business;L/C;contract D.foreign trade;invoice;contract