Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) Interest rate swaps are an alternative means of modifying the firm's interest rate risk exposure without buying or selling assets.
B) A portfolio with a negative duration is called a duration-neutral portfolio or an immunized portfolio,which means that for small interest rate fluctuations,the value of equity should remain unchanged.
C) Maintaining a duration-neutral portfolio will require constant adjustment as interest rates change.
D) A duration-neutral portfolio is only protected against interest rate changes that affect all yields identically.