What Is the Purpose of Including Personal Results in the Pitch

What is the purpose of including personal results in the pitch to prospective sellers?

A) to convince the prospect the agent has the experience and expertise needed to sell their property
B) to demonstrate that the seller's brokerage firm has a long history of successful transactions
C) it is required by the Deceptive Trade Practices Act to prevent agents from overinflating the prospect's expectations
D) to justify the selling price set by the seller representative
E) to help prospective sellers understand the agent's limitations