Although everyone is beginning to resist fur products of rare animals, there are still furniture manufacturers who use the fur of cherished animals for furniture accessories. A few years ago, experts invented a new highly imitation synthetic fur, which has been widely praised by home manufacturers. However, according to statistics in recent years, the hunting of rare animals in order to obtain fur has not decreased. Which of the following is correct and most helpful in explaining "there is no reduction in killings"? ['The cost of producing new high-quality synthetic fur is lower than that of the original synthetic fur.', 'The texture of the new high imitation fur is similar to that of animal fur, and it is difficult to distinguish.', 'The fur of most rare animals is used in the increasingly popular fur clothing.', 'Homemakers often give home accessories as free gifts to buyers when selling large home items.']