Which Circumstance Is NOT Ideal for Using Sampling to Encourage

Multiple Choice

Which circumstance is NOT ideal for using sampling to encourage trial usage of a new or improved brand? 

A)  The brand is either demonstrably superior to other brands or has distinct relative advantages. 
B)  The brand packaging is hard to distinguish from its competition. 
C)  Promotional budgets can afford to generate consumer trial quickly. 
D)  The product concept is so innovative that it is difficult to communicate by advertising alone. 
E)  All of these are correct.