According to Attribution Theory,a Consumer Who Purchases a Product on Promotion

According to attribution theory,a consumer who purchases a product on promotion may not repurchase it because the:

A) purchase behavior is attributed to an external incentive.
B) relationships between promotions and attitudes are weak.
C) primary reinforcement is the brand,and not the promotional incentive.
D) consumer really does not care about which brand is purchased.
E) purchase is internally motivated and unaffected by an external incentive.