Which of the following statements is/are TRUE about a variable annuity contract?
(A) Annuity payments to an annuitant may increase or decrease during the annuity period
(B) The annuitant gives up control over the principal upon the commencement of annuity payments
(C) If an annuitant selects a 10 year certain annuity option, he or his beneficiary will receive annuity payments for at least 10 years
(D) All of the above