Randall is named the contingent beneficiary of his uncle's annuity. His uncle is the owner and annuitant, and his three cousins, Mack, TJ, and Delaney, are the contract's primary beneficiaries. Which statement is true? (Search Chapter 3)

a. Upon Mack's death, Randall will share the benefit with TJ and Delaney.

b. Upon TJ's death, Randall will share the benefit with Mack and Delaney.

c. Upon Delaney's death, Randall will share the benefit with Mack and TJ.

d. Randall will be entitled to the benefit only if Mack, TJ, and Delaney all predecease him.