Years Ago,the National Radio Advertising Council Ran a Series of Ads

Years ago,the National Radio Advertising Council ran a series of ads using the slogan "Say you saw it on the radio".These messages included clever,descriptive language designed to show that good radio advertising can:

A) cost less than television.
B) create extended exposure.
C) target diverse audiences without cluttering the environment.
D) overcome the limitation of not being a visual medium.
E) reach the global marketplace.