If US Consumers Greatly Increase Their Demand for Canadian Moose Burgers

If U.S. consumers greatly increase their demand for Canadian moose burgers, then, holding everything else constant,

A) the U.S. dollar will appreciate relative to the Canadian dollar.
B) the U.S. dollar will depreciate relative to the Canadian dollar.
C) the real exchange rate between the Canadian dollar and the U.S. dollar will be affected, but the nominal exchange rate will be unaffected.
D) the nominal exchange rate between the Canadian dollar and the U.S. dollar will be affected, but the real exchange rate will be unaffected.