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请各位高手帮忙解决一道逻辑题啊 实在不懂啊

Sales manager: Last year the total number of meals sold in our company restaurants was much higher than it was the year before. Obviously consumers find our meals desirable.
Accountant: If you look at individual restaurants, however, you find that the number of meals sold actually decreased substantially at every one of our restaurants that was in operation both last year and the year before. The desirability of our meals to consumers has clearly decreased, given that this group of restaurants---the only ones for which we have sales figures that permit a comparison between last year and the year before---demonstrates a trend toward fewer sales.

. Which one of the following, if true, most seriously calls into question the accountant’s argument?

A.    The company’s restaurants last year dropped from their menus most of the new dishes that had been introduced the year before.
B.    Prior to last year there was an overall downward trend in the company’s sales.
C.    Those of the company’s restaurants that did increase their sales last year did not offer large discounts on prices to attract customers.
D.    Sales of the company’s most expensive meal contributed little to the overall two-year sales increase.
E.    Most of the company’s restaurants that were in operation throughout both last year and the year before are located in areas where residents experienced a severe overall decline in income last year.
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会计人员说的是 与sales manager 相反的内容 每一个人meals sold 下降 在去年和前年 表示了一个下降趋势
a 说菜单 无关
b  去年之前有下降的趋势 和 原文有点关系留下
c 打折的问题 无关
d sales 便宜和贵的问题 无关
E 说什么居民 收入高低问题 无关
剩下b有点关系
至于为什么对不管 考场上你没时间想为什么对

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谢谢啦

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应该选E吧。很明显A,B,C,D都无关。如果详细看逻辑:

SM: (去年整体餐厅肉销售) 大于 (前年整体餐厅肉销售)  ->  客户去年更喜欢肉
AC: 基于去年有新开的店,所以SM对比不对等。如果撇开新开店不说,仅比较两年都有数据的餐厅,(去年余下餐厅肉销售) 小于 (前年余下餐厅肉销售)  ->  客户去年比较不喜欢肉

问题,如何削弱AC。(注意只要削弱AC,其实我们可以根本不看SM的逻辑):
如果去年来餐厅的人明显小于前年来餐厅的人,则也能导致肉销售下降,从而削弱AC销售下降是客户对肉的需求下降所导致的观点

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