Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

A country that maintains a target exchange rate is most likely to have which outcome when its inflation rate rises above the level of the inflation rate in the target country?
Option A:An increase in short-term interest rates.
Option B:An increase in the domestic money supply.
Option C:An increase in its foreign currency reserves.

Answer: A