But countertrade is not the exclusive province of debtor nations

But countertrade is not the exclusive province of debtor nations. ( )
A、creditor
B、borrower
C、deliverer
D、loaner
【正确答案】：B
【题目解析】：句意：但对等贸易并非债务国所独有。debtor意为“债务人”。 creditor与loaner均意为“债权人”；borrower意为“借款者，借方”；deliverer意为“交付者，投递者”。故本题选B。