An Open Market Operation

An open market operation

A) refers to loans made by the Bank of Canada to chartered banks.
B) refers to the Bank of Canada's sales and purchases of corporate stock.
C) refers to the purchase or sale of Canadian currency in exchange for foreign currency.
D) is the purchase or sale of government of Canada securities by the Bank of Canada from or to a chartered bank or the public.
E) can change bank deposits but cannot alter the quantity of money.