Fixed relationship among currencies refers to? ________.
A. the relationship in which the value of any two currencies with respect to each other is allowed to fluctuate on a monthly basis
B. the constant relationship of a currency to one of the major foreign exchange market or a combination of markets
C. the constant relationship of a currency to one of the major? currencies, a combination of major? currencies, or some type of international foreign exchange standard
D. the relationship in which the value of any one currency with respect to all other currencies is allowed to fluctuate on a yearly basis.