One Problem with the Ripple Effect from the Fed's Monetary

One problem with the ripple effect from the Fed's monetary policy is

A) the fact that the monetary policy transmission process is long and drawn out.
B) that changing the Federal funds target rate seldom has an effect on the markets for reserves and loanable funds.
C) that the Fed's policy sometimes has a large impact on potential GDP as well as its usual impact on aggregate demand.
D) the tight relationship between that the Federal funds rate has to aggregate spending.
E) the frequent misalignment of the spread between the Federal funds rate and the Federal funds rate target.