单选题
1.Documentary credit means payment against ( )
A. goods
B. documents
C. acceptance
D. shipment
答案：B
2. All the letter of credit are operated by ( )
A. Buyers
B. Sellers
C. Banks
D. commission agents
答案：C
3.Under L/C, the buyer will pay for the goods until the arrival of the ( )
A. goods
B. relevant shipping documents
C. notice
D. confirmation
答案：B
4. The UCP contains the detailed provisions regarding ( )
A. the operation of contract
B. operation of documentary credit
C. international trade practice
D. marine transportation
答案：B