题目内容：
The documents you should provide are contract, L/C , invoice and B/L, L/C is the abbreviation for ( )，B/L is the abbreviation for ( ).
A.Letter of Credit，Packing List
B.Leaking of Containers，Bill of Lading
C.Letter of Credit, Bill of Lading
D.Leaking of Containers, Packing List
参考答案：【答案仅供学习，请勿对照自行用药等】