In Many Areas of the Country,supermarkets Have Gotten in the Trap

In many areas of the country,supermarkets have gotten in the trap of doubling or even tripling manufacturers' coupons resulting in:

A) a synergistic effect allowing for diversification and a push toward energy independence.
B) devaluing what consumers think the manufacturers' products are worth.
C) decreased brand equity.
D) reduced profit margins.
E) the creative destruction theory in operation.