Researchers Have Determined That Loading Consumers,by Offering Deal-Oriented Promotions,does Increase

Researchers have determined that loading consumers,by offering deal-oriented promotions,does increase consumers' product usage,especially when _____.

A)  usage-related thoughts about a product are vivid in a consumer's memory 
B)  the sales promotion has been used for a considerable amount of time 
C)  competitive products are not on deal 
D)  the promotion is for a durable good 
E)  the promotion includes a contest