Eunice Consumes Coki,a Leading Cola Brand,exclusively

Eunice consumes Coki,a leading cola brand,exclusively.She claims that there is a clear taste difference and that competing brands of cola leave an unsavoury residual taste in her mouth.However,in a blind taste test,Eunice is found to prefer generic store-brand cola to Coki eight out of ten times.The results of Eunice's taste test would reinforce claims by critics of brand names of which of the following

A) Consumers are generally willing to pay more for brand names.
B) Brand names cause consumers to perceive differences that do not really exist.
C) Brand names cause consumers to be more sensitive to product differences.
D) Brand names are a form of socially efficient advertising.