50. What does the last paragraph imply?
(A) If a commodity is always in shortage, the customers may purchase other manufacturers’ products.
(B) The less quantity the manufacturer supplies, the more patient the consumers will become.
(C) For products which have little market potential, the hunger marketing strategy is the best way to promote its sales and raise its price.
(D) Hunger marketing strategy can be very successful when there are very few competitors in the market.