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Between 2007 and 2012, the U.S. exchange rate ______ against the Japanese yen because the U.S. interest differential _______ against the yen.
A. Rose; decreased and because currency traders expected the dollar to depreciate
B. Rose; increased and because currency traders expected the dollar to appreciate
C. Fell; decreased and because currency traders expected the dollar to depreciate
D. Fell; increased and because currency traders expected the dollar to appreciate