Which of the Following Statements About Advertising Is Most Accurate

Which of the following statements about advertising is most accurate?

A) Advertisers have limited control as to when and how often their advertisements will be placed.
B) A key advantage of advertising is its ability to use customized interactions.
C) Advertisers have very limited control over what they can say due to FCC regulations.
D) Advertising is the least costly form of promotion because ads go through significant pretesting.
E) Through advertising,a company can control what it says and,to some extent,to whom the message is sent.