Any event that reduces the supply of Swiss francs to be exchanged for U.S.dollars should result in a（n）（）in the value of the Swiss franc with respect to （）, other things being equal.
A.increase; U.S.dollar
B.increase; nondollar currencies
C.decrease; nondollar currencies
D.decrease; U.S.dollar
正确答案：increase; U.S.dollar