Which of the Following Statements Is True with Regard to the Overnight

Which of the following statements is true with regard to the overnight rates by the Bank of Canada?

A) The operating band is always plus one-quarter of one percentage point from the target overnight rate.
B) Lower target overnight rate leads to lower lending rate by other banks.
C) Lower overnight rates are used in the recent past to counter the effects of the recent financial crisis.
D) Banks respond to a rise in the overnight rate by raising their prime lending rate.