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.

Given an independent central bank, monetary policy actions are more likely than fiscal policy actions to be:
Option A:implementable quickly.
Option B:effective when a specific group is targeted.
Option C:effective when combating a deflationary economy.

Answer: A