In Television or Radio Advertising,a Rating Refers to

In television or radio advertising,a rating refers to

A) the number of different people or households exposed to an advertisement and they buy the offering that was advertised.
B) the average number of times a person in the target audience is exposed to a message or advertisement.
C) the percentage of households in a market that are tuned to a particular television or radio station.
D) a commonly used reference number an advertiser calculates (reach multiplied by frequency) to determine whether it has achieved its advertising objectives.
E) the percentage points of market share a firm garners for its advertisements relative to its competitors.