Giving policyholders some part of the agent’s commission as an inducement to purchase insurance is...

Detailed Answer in Step-by-Step Solution:

Rebating (B) is the illegal practice of offering a portion of an agent’s commission or other financial incentives to induce a sale, prohibited in most states, including Virginia, to ensure fair competition.

Twisting (A) involves misrepresenting policies to replace existing coverage. Replacement (C) is switching policies, not necessarily with a rebate. Retention (D) is not a recognized term here.

The Virginia study guide defines rebating as an unfair trade practice under Virginia insurance law, aimed at preventing agents from undercutting prices with commission kickbacks. Reference: Virginia Life, Annuities, and Health Insurance study guide, section on "Unfair Trade Practices."