Which of the Following Statements About the Use of Radio

Which of the following statements about the use of radio in IMC is most likely true?

A) Advertisers must remember that radio is a passive medium.
B) Radio is a poor medium for integrated marketing communications.
C) Radio enables advertisers to maintain strategic consistency.
D) Advertisers cannot create an identity using radio ads.
E) Since radio is not highly mobile, retailers cannot reach prospects before they purchase.