单选题 Customers trading abroad in foreign currencies may protect against the exchange risk by arranging ______.
A. a contract of international sale of goods
B. a contract of marine insurance
C. a forward contract to fix the exchange rate in advance
D. contract for the delivery of goods by installments

【正确答案】 C

【答案解析】远期合约可使进出口贸易商避免汇率风险(exchange risk)。in foreign currencies用外汇(币)计价。marine insurance海运保险。forward contract远期合约。in advance预先。