Advertising Agencies Often Provide the IMC Function of Comparing Their

Advertising agencies often provide the IMC function of comparing their customer's target audience with the viewer,listener,or reader profile of the communication channel being considered.The agency is trying to avoid noise problems associated with:

A) competing messages.
B) lack of clarity in the message.
C) a poor choice of medium.
D) an extended feedback loop.
E) a flaw in the medium.