The Credibility of Monetary Policy Is The

The credibility of monetary policy is the:

A) recognition that open market purchases increase the money supply, even though banks and the public affect the money multiplier.
B) degree to which the public believes the central bank's promises to keep inflation low, even if doing so may impose short-run costs.
C) pace at which monetary policy can return an economy to potential when inflationary expectations are anchored.
D) practice of the Federal Reserve of relying primarily on open market operations rather than discount rate lending or changes in reserve requirements.