Choose the correct statement.
A. The U.S. dollar has​ high-frequency fluctuations against the yuan and the​ yen, and smooth changes against the euro.
B. The U.S. dollar has​ high-frequency fluctuations against the euro and the​ yen, and smooth changes against the yuan.
C. The U.S. dollar has depreciated against the yen since 2012.
D. The U.S. dollar has consistently depreciated against the euro since 2000.