To Protect Against Interest Rate Risk, the Mortgage Banker Should

To protect against interest rate risk, the mortgage banker should:

A) buy futures, as this position will hedge loses if rates rise.
B) sell futures, as this position will hedge losses if rates rise.
C) sell futures, as this position will add to his gains if rates rise.
D) buy futures, as this position will add to his gains if rates rise.
E) None of the above.