It Has Been Campbell Soup Co

It has been Campbell Soup Co.'s practice to insert clear glass marbles into the bottom of soup containers used in print advertisements to bring the soup ingredients (e.g., noodles or chicken) to the surface, thus misrepresenting the amount of solid ingredients in the soup.This is an example of

A) deceptive advertising.
B) unethical advertising.
C) subsequent advertising.
D) over-regulation in the industry.
E) corrective advertising.