A resercher studing drug addicts found that, on average, they tend to manipulate other people a great deal more than nonaddicts do. The researcher concluded that people who frequently manipulate other people are likely to become addicts. which of the following, if true, most seriously weakens the researcher's conclusion? A.after becoming addicted to drugs, drug addicts learn to manipulate other people as a way of obtaining drugs. B.when they are imprisoned, drug addicts often use their ability to manipulate other people to obtain better living conditions. C.peole who are likely to become addicts exhibit unusual behavior patterns other than frequent manipulation of other people D.people who are likely to become addicts exhibit unusual behavior patterns other than frequent manipulation of other people E.the addicts that the researcher studied were often unsuccessful in obtaining what they wanted when they manipulated other people 答案:A 这题提干不长,但是我就是很难理解“manipulate”在里面的意思 于是整个题目让我很困惑, |