Which of the Following Statements from the Opponents of Adopting

Which of the following statements from the opponents of adopting the U.S. dollar for Canada is false?

A) Canadian exports were aided by the decline in the foreign-exchange value of the Canadian dollar during the Asian crisis
B) Canadians would not be free to cross the border to accept employment
C) Canadian interest rates would have decreased in recent years to maintain the fixed exchange rate
D) higher interest rates would have hampered the increase in economic activity