Why is the repetition of a message necessary?

A. Costs come down as the messages are sent through the same vehicle, it is a commercial decision

B. The audience needs to be informed about the product, scenario or concept time and again, lest they should forget it altogether

C. Repeated advertisements create an image of the media in the minds of the targeted audience

D. Messages must be repeated, else what the advertising firms and TV/Radio stations would sit idle

Answer: Option B