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题库 / GMATLA-CR-41
In Brindon County, virtually all of the fasteners-such as nuts, bolts, and screws-used by workshops and manufacturing firms have for several years been supplied by the Brindon Bolt Barn, a specialist wholesaler. In recent months many of Brindon County's workshops and manufacturing firms have closed down, and no new ones have opened. Therefore, the Brindon Bolt Barn will undoubtedly show a sharp decline in sales volume and revenue for this year as compared to last year.
The argument depends on assuming which of the following?
Last year the Brindon Bolt Barn's sales volume and revenue were significantly higher than they had been the previous year.
The workshops and manufacturing firms that have remained open have a smaller volume of work to do this year than they did last year.
Soon the Brindon Bolt Barn will no longer be the only significant supplier of fasteners to Brindon County's workshops.
The Brindon Bolt Barn's operating expenses have not increased this year.
The Brindon Bolt Barn is not a company that gets the great majority of its business from customers outside Brindon County.
choice b, 仍然开着的工作室和生产厂今年的工作量减少了。strengthen the conclusion，混淆视线
choice e, Barn并不是一家大多数生意来自于county之外的公司。correct，取非说明Barn大多数生意来自外面，削弱结论 （更优）
保险起见，要读完所有选项
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