Which of the following is a whole life policy option that allows for a delinquent premium to be paid automatically by a new policy loan?

A term rider is an additional provision that allows policyholders to add term life insurance coverage to their whole life policy, typically for a specified period. It does not address premium payments or provide a mechanism for paying delinquent premiums, making it unrelated to the automatic loan feature.

Fixed-period installments refer to a method of distributing the death benefit over a set period, rather than as a lump sum. This option does not involve premium payments or loans, as it specifically pertains to how beneficiaries receive benefits after the policyholder's death.

A spendthrift clause is a provision that protects the policy's death benefit from creditors and ensures that the beneficiaries receive their portion without external interference. It does not pertain to premium payments or loans against the policy, rendering it irrelevant to the question about delinquent premiums.