TN24-15,逻辑题大家帮帮忙

鱼聪聪

Fact:  Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages.

Fact:  Over 95 percent of people who have asthma also suffer from hay fever.

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

A.      Hay fever is a prerequisite for the development of asthma.

B.      Asthma is a prerequisite for the development of hay fever.

C.      Those who have neither hay fever nor asthma comprise less than 5 percent of the total population.

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

E.       The percentage of people suffering from hay fever who also have asthma is lower than 95 percent

 

H比AS多见，百分之九十五患过AS的人也患H，就是说有百分之五患AS的人没换H，单独患H的人更多

如果有100个人，假如20个人患AS，则这20个人中19个还换H。假如30个人患H，则单独患H的人只有11个

H比AS多见，百分之九十五患过AS的人也患H，就是说有百分之五患AS的人没换H，单独患H的人更多

如果有100个人，假如20个人患AS，则这20个人中19个还换H。假如30个人患H，则单独患H的人只有11个

所以我选了D

正确答案为E