Which Statements Are True? If the Exchange Rate Changes from US$1

Which statements are true? If the exchange rate changes from US$1 = C$1.10 to US$1 = C$0.90, then the:
1) Canadian dollar depreciated against the U.S. dollar.
2) Canadian dollar appreciated against the U.S. dollar.
3) U.S. dollar depreciated against the Canadian dollar.
4) U.S. dollar appreciated against the Canadian dollar.

A) 1 and 3
B) 1 and 4
C) 2 and 3
D) 2 and 4
E) 3 only