请教两道题，据说是有争议……

People who have spent a lot 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, experts conclude that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is not 30 percent but substantially more.
            

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

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

A.      A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.

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

C.      The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.

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

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

这道题新东方老师给的答案是C， 但很多人选的A。

具体应该选什么有人可以解释一下么？

In 1960’s study of rats, scientists found that crowding increases the number of attacks among the animals significantly. But in recent experiments in which rhesus monkeys were placed in crowded conditions, although there was an increase in instances of “coping” behavior—such as submissive gestures and avoidance of dominant individuals---attacks did not become any more frequent. Therefore it is not likely that, for any species of monkey, crowding increase aggression as significantly as was seen in rats.

Which of the following, if true, most strengthens the argument?

A.      All the observed forms of coping behavior can be found among rhesus monkeys living in uncrowded conditions.

B.      In the studies of rats, nondominant individuals were found to increasingly avoid dominant individuals when the animals were in crowded conditions.

C.      Rhesus monkeys respond with aggression to a wider range of stimuli than any other monkeys do.

D.      Some individual monkeys in the experiment were involved in significantly more attacks than the other monkeys were.

E.       Some of the coping behavior displayed by rhesus monkeys is similar to behavior rhesus monkeys use to bring to an end an attack that has begun.

这道题XDF老师给的答案是D，但是我看网上说有很多人选C。

到底应该选什么呢？

请高人指点TOT！！！！！！

要不大家讨论讨论也行啊

第一题选A啊，OG12上好像有的

C应该是削弱吧。。不对的