Which of the following is not a true statement regarding the attractiveness of interest rate swaps compared to financial futures?

A. Swaps may be less attractive if the secondary market is not as deep as the futures markets, so it is more difficult or costly to exit a swap position

B. Interest rate swaps are more attractive than futures because they have shorter maturities and require marking the market

C. Interest rate swaps may be more attractive than futures because they can have longer maturities and do not require marking to market

D. All of the above are true statements

E. None of these are true statements