Which type of life insurance policy is designed to pay the balance of a thirty-year...

Detailed Answer in Step-by-Step Solution:

A 30-year decreasing term policy (B) reduces its death benefit over time, matching thedeclining balance of a 30-year mortgage, making it ideal for this purpose.

30-payment whole life (A) is permanent with level benefits. 30-year level term (C) maintains a constant benefit. 30-year endowment (D) builds cash value and pays out at maturity, not tied to a mortgage.

The Virginia study guide describes decreasing term insurance as tailored for obligations like mortgages, with the benefit decreasing as the debt is paid off. Reference: Virginia Life, Annuities, and Health Insurance study guide, section on "Types of Life Insurance."