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一道很难逻辑题目

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楼主
发表于 2013-9-18 10:16:51 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Last August the XT chain of gasoline stations had a temporary sales promotion in effect. In the promotion, any customer who made a purchase of ten or more gallons of gasoline was entitled to a free car wash. For the month of August, XT experienced a ten percent increase in gasoline sales as compared to sales in August the previous year, so evidently the promotion was successful as a means of boosting sales.
In evaluating the argument, it would be most helpful to answer which of the following?
A.    In the areas in which XT’s gasoline stations operate, how did total combined gasoline sales for all gasoline stations last August compare with sales for the previous August?
B.    Was the money that XT earned from the increase in gasoline sales enough to offset the cost of providing free car washes during the promotion?
C.    Were there any customers who bought ten or more gallons at an XT gasoline station during the promotion who would have or more gallons at an XT gasoline in lower quantities, but more frequently, if the promotion had not been in effect?
D.    Did XT or any of its gasoline stations have to pay other businesses to provide the car washes that customers were offered in the promotion?
E.     Are XT’s gasoline sales in August usually significantly higher than one twelfth of XT’s annual gasoline sales?

A,C我觉得都可以选呢。谢谢大家
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沙发
发表于 2013-9-18 20:38:07 | 只看该作者
A

C has at least one grammar error: missing a TEN. Plus C weakens, not strengthens the conclusion.
板凳
发表于 2015-6-17 09:49:42 | 只看该作者
原文结论是: so evidently the promotion was successful as a means of boosting sales.
促销使得8月销量增加。
C: Were there any customers who bought ten or more gallons at an XT gasoline station during the promotion who would have or more gallons at an XT gasoline in lower quantities, but more frequently, if the promotion had not been in effect? 原本可能会买更多低质量的人在促销月会买高质量的更多的油,而当没使用促销,那么买油频率又会增加。这对结论和原文没啥影响啊。怎么样仿佛都会有个正常的sales(就C选项来看)。
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