单选题 The term foreign exchange is best defined by the following statement: it is______.

A、 the rate of exchange between two currencies
B、 synonymous with currency exchange
C、 the place in which foreign currencies are exchanged
D、 an instrument such as paper currency, note, and check used to make payments betweencountries

【正确答案】 D

【答案解析】[解析] 外汇是以外国货币表示的，为各国普遍接受的，可用于国际间债权债务结算的各种支付手段，包括钞票、铸币以及支票等。