If an Economist Supports Targeting Inflation as Opposed to Monetary

If an economist supports targeting inflation as opposed to monetary fine-tuning,this economist probably believes that time lags in the implementation of monetary policy are

A) short but predictable.
B) short but unpredictable.
C) long and unpredictable.
D) long but predictable.
E) predictable in their short-run effects but unpredictable in the long run.