Which One of the Following Would Not Be Offered as Support

Which one of the following would not be offered as support for the argument that advertising benefits consumers?

A) The desire to have products that are supported by advertising encourages companies to offer improved products.
B) Advertising increases the probability of the success of a new product, so it increases the variety of products.
C) The speed and reach of advertising allows for quicker diffusion of innovations.
D) Advertising is a remarkably efficient system for moving demand from one brand to another.