KD的GMAT疑惑之逻辑004

GWD26-Q22

People who have spent alot of time in contact with animals often develop animal-induced allergies,some of them quite serious. In a survey of current employees in major zoos,about 30 percent had animal-induced allergies. Based on this sample, expertsconclude that among members of the general population who have spent asimilarly large amount of time in close contact with animals, the percentagewith animal-induced allergies is not 30 percent but substantially more.

Which of the following, iftrue, provides the strongest grounds for the experts’ conclusion?

A.   A zoo employee whodevelops a serious animal-induced allergy is very likely to switch to someother occupation.

B.    A zoo employee is morelikely than a person in the general population to keep one or more animal petsat home

C.   The percentage of thegeneral population whose level of exposure to animals matches that of a zooemployee is quite small.

D.   Exposure to domestic petsis, on the whole, less likely to cause animal-induced allergy than exposure tomany of the animals kept in zoos.

E.    Zoo employees seldom wearprotective gear when they handle animals in their care.