Pfizer Is a Large Pharmaceutical Company That Has Dramatically Increased

Pfizer is a large pharmaceutical company that has dramatically increased its direct-to-consumer television advertising of prescription drugs.However,Pfizer has stringent in-house ad review procedures,including reviews by agency and client attorneys.Pfizer is concerned that any claim made in an ad is verifiable and that the ad is executed in good taste.What type of advertising self-regulation does this illustrate?

A) industry self-regulation
B) self-discipline
C) self-regulation by community groups
D) mandatory self-regulation
E) voluntary self-regulation