标题: 遇到一题逻辑题目 求分析选项 [打印本页] 作者: 奋战750 时间: 2017-7-30 21:28 标题: 遇到一题逻辑题目 求分析选项 Bio-chemists at Perck Pharma Corporation have discovered a new type of allergy. Their research confirms that it is not just caused by pollen of a certain flower, as it was thought. In addition, the flower has to be pollinated by a certain kind of bee to cause the allergy.Which of the following would most likely support the data's implication?
A. In the absence of the bee, the pollen does not cause allergic reactions.
B. The bee has been shown to be a critical element in the reproduction of the particular flower.
C. Many cases of the allergy have been observed only in the presence of the bee.
D. In cases in which the allergy does not develop, the flower will grow without the presence of the bee.
E. The onset of the allergy is usually caused by the flower even if the pollen is not present.
OA:A
在A/C之间徘徊了好久，最后选的C，求分析为什么C错。谢谢！
Source: https://www.manhattaneliteprep.com/blog/special-assumption-questions-gmat-prep/ 作者: 奋战750 时间: 2017-7-31 10:00
Investing in fishing-boats could be very profitable at this time. A survey made by "Hook, Line and Sinker" magazine shows that 75 percent of the magazine's readers want to buy a new fishing-boat during the summer. However, fishing-boat manufacturers can only produce enough boats to satisfy 30% of total potential buyers. Which of the following, if true, reveals a weakness in the evidence cited above?
A. The fishing-boat industry is a highly labor-intensive business.
B. Fishing-boats are not evenly distributed across the country.
C. The number of fishermen who buy fishing-boats has been growing each year for the past six years.
D. Readers of "Hook, Line and Sinker" magazine are more likely than other consumers to want a fishing-boat.
E. "Hook, Line and Sinker" magazine includes both articles about fishing and articles about building fishing-boats.
，求分析为什么C错。谢谢！