单选题 Which of the following best completes the passage below? People buy prestige when they buy a premium product. They want to be associated with something special. Mass-marketing techniques and price-reduction strategies should not be used because______.

A、 affluent purchasers currently represent a shrinking portion of the population of all purchasers
B、 continued sales depend directly on the maintenance of an aura of exclusivity
C、 purchasers of premium products are concerned with the quality as well as with the price of the products
D、 expansion of the market niche to include a broader spectrum of consumers will increase profits
E、 (E) manufacturing a premium brand is not necessarily more costly than manufacturing a standard brand of the same product

【正确答案】 B

【答案解析】[解析] 未完成的短文要求解释为什么对于溢价产品不应采取降价和大规模营销的办法。选项(B)，指出销售这些产品需要使这些产品看起来与众不同，提供了这样一种解释。因此，(B)是正确答案。并没有其他选项提供了一种合理的解释：选项(C)指出溢价商品的购买者会发现降低的价格很有吸引力，但并没有说明该办法影响质量或对质量的感知；(A)中引述的富有的购买者比例的减少论证了应采用降价的办法去吸引收入更低的购买者；而(D)论证了而不是反驳了应使用大规模营销；选项(E)不合适，因为没有迹象显示生产成本与主题有关。