Kirk Consumes Pepsi Exclusively

Kirk consumes Pepsi exclusively.He claims that there is a clear taste difference and that competing brands of cola leave an unsavory taste in his mouth.In a blind taste test,Kirk is found to prefer Pepsi to store-brand cola eight out of ten times.The results of Kirk's taste test would refute claims by critics of brand names that

A) consumers are always willing to pay more for brand names.
B) brand names cause consumers to perceive differences that do not really exist.
C) consumers with the lowest levels of income are the most likely to be influenced by brand name advertising.
D) brand names are a form of socially efficient advertising.