The Desired Reserve Ratio Is 10 Percent,Bank a Has $1

The desired reserve ratio is 10 percent,Bank A has $1 million in excess reserves,and all other banks have zero excess reserves.If the Bank of Canada buys $1 million of government securities and the cheque is deposited in Bank A,but Bank A refuses to grant any loans or buy any financial securities,then

A) the money supply does not increase.
B) the money supply increases by $900,000.
C) the money supply increases by $1 million.
D) the money supply increases by more than $1 million.