本贴相关题目 GMATPrep-2007E1-CR-65 (YDBJ)

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Sales of telephones have increased dramatically over the last year. In order to take advantage of this increase, Mammoth Industries plans to expand production of its own model of telephone, while continuing its already very extensive advertising of this product.

Which of the following, if true, provides most support for the view that Mammoth Industries cannot increase its sales of telephones by adopting the plan outlined above?

AAlthough it sells all of the telephones that it produces, Mammoth Industries' share of all telephone sales has declined over the last year.
BMammoth Industries' average inventory of telephones awaiting shipment to retailers has declined slightly over the last year.
CAdvertising has made the brand name of Mammoth Industries' telephones widely known, but fewconsumers know that Mammoth Industries owns this brand.
DMammoth Industries' telephone is one of three brands of telephone that have together accounted for the bulk of the last year's increase in sales.
EDespite a slight decline in the retail price, sales of Mammoth Industries' telephones have fallen in the last year.