Edward Consumes Arnott's Tim Tams Exclusively

Edward consumes Arnott's Tim Tams exclusively.He claims that there is a clear taste difference and that competing brands of chocolate biscuits leave an unsavoury residual taste in his mouth.However, in a blind taste test, Edward is found to prefer generic store brand chocolate biscuits to Tim Tams eight out of ten times.The results of Edward's taste test would be consistent with which of the following statements?

A) consumers of brand name products are likely to be uninformed about the quality of competing generic products
B) consumers of brand name products do not know their true preferences
C) consumers may choose brand names to ensure the general quality of the product
D) all of the above are consistent