The American Animal Hospital's Position on Testimonials as a Form

The American Animal Hospital's position on testimonials as a form of advertising requires veterinarians to do which of the following?

A) Fully disclose any financial or other relationship between the endorser and the veterinarian
B) Testimonials or endorsements are considered unethical advertising
C) Endorser must be a client of good standing and have intimate knowledge of the Veterinarian
D) Testimonials must disclose the full contact information of the endorser