When the Fed Buys Government Securities

When the Fed buys government securities

A) reserves increase, leading to a decrease in the money supply by an amount more than the purchase of the government securities.
B) reserves decrease, leading to a increase in the money supply by an amount more than the purchase of the government securities.
C) reserves increase, leading to a increase in the money supply by an amount more than the purchase of the government securities.
D) reserves decrease, leading to a decrease in the money supply by an amount more than the purchase of the government securities.