If the Canadian Dollar Price of United States Dollars Increases

If the Canadian dollar price of United States dollars increases from $.80 to $1.00, it can be concluded that:

A) the Canadian dollar has appreciated in value to the United States dollar.
B) both countries are on the international gold standard.
C) the American dollar has depreciated in value relative to the Canadian dollar.
D) the Canadian dollar has depreciated in value relative to the United States dollar.