请大虾帮看个题

szxissean

Fact: Asthma, a bronchial condition, is muchless common ailment than hay fever, an allergic inflammation of the nasalpassages.

Fact: over 95 percent of people who haveasthma also suffer from hay fever.

If the information given as facts above istrue, which of the following must also be true?

A.   Hayfever is a prerequisite for the development of asthma

B.   Asthmais a prerequisite for the development of hay fever

C.   Thosewho have neither hay fever nor asthma comprise less than 5 percent of the totalpopulation

D.   Thenumber of people who have both of these ailments is greater than the number ofpeople who have only one of them

E.    Thepercentage of people suffering from hay fever who also have asthma is lower than95 percent.

答案是e,感觉智商被碾压了。

francoisyang

Fact：asthma没hay fever常见，有asthma的超过95都有hay fever。
假设同时患asthma和hay fever人数为95，那么患asthma的人数为95-99。
hay fever患者理论上至少100，如果考虑much less common，那么应该远大于100。
95/一个远大于100的数<0.95