There are different kinds of beneficiaries in a life policy. When Alice dies, the death benefit will be paid to Walter. If Walter dies before Alice, the benefit would go to Alexander. Which of the following statements is true?
A) Walter is the primary beneficiary, and Alexander is the contingent beneficiary.
B) Alexander is the primary beneficiary, and Walter is the contingent beneficiary.
C) Walter and Alexander are both irrevocable beneficiaries.
D) Walter and Alexander are both revocable beneficiaries.