Which of the Below Statements Is FALSE

Which of the below statements is FALSE?

A) The importance of being able to measure the sensitivity of an individual asset, a portfolio of assets, and a liability cannot be overemphasized.
B) To control interest rate risk, it is necessary to be able to measure it.
C) An investor with a portfolio of assets wants to be able to measure her exposure to interest rate changes in order to assess whether or not the exposure is acceptable. If it is not, she can alter the exposure.
D) When a duration is calculated under the assumption that the cash flows do not change when interest rates change, the resulting duration is called effective duration.