Which of the Following Is Not a Characteristic of "Simple

Which of the following is not a characteristic of "simple" debt?

A) Investor's purpose is collecting cash flows.
B) An amount of principal (adjusted for premium or discount) is transferred to the borrower at issuance that will be returned to the debt holder when the debt matures.
C) The debt instrument is not a derivative.
D) The debt cannot be prepaid or settled in a way that the investor does not recover substantially all of its original investment unless that is what the investor chooses.