Monetarists Consider Timing Variations in the Relationship Between Money Supply

Monetarists consider timing variations in the relationship between money supply changes and income changes to be

A) a fundamental problem of counter-cyclical monetary policy.
B) inconsequential relative to the problem of instability in the velocity of money.
C) a fundamental long-run problem but not a significant problem in the short run.
D) offset by predictable changes in the money multiplier.