When the Fed Buys United States Bonds

When the Fed buys United States bonds,

A) excess reserves in commercial banks are increased immediately.
B) the banking system will decrease the number of loans that are made.
C) total bank reserves are decreased.
D) the value of the money multiplier slowly declines to a new stationary level.
E) the money supply will eventually decline as banks are forced to call loans due to meet reserve requirements.