48 According to a recent cross-cultural study, married people in general have longer life expectancies than do people who divorce and do not remarry. This fact indicates that the stress associated with divorce adversely affects health.
Which of the following, if true, points to a weakness in the argument above?
(A) Overall the expectancies differ among countries, even among countries with similar cultures.
(B) People often show signs of stress when undergoing a divorce.
(C) Life expectancy varies with age-group, even among married people.
(D) Stress of many kinds has been shown to affect health adversely.
(E) Adults who have never married have shorter life expectancies than do married people of the same age.
答案：E
为什么E是答案呢？该如何分析？从来没有结婚的人和结了婚的人比较能起到作用吗？
conclusion : the stress associated with divorce adversely affects health--->divorce is the cause of short life expectancy
answer: Adults who have never married also have short life expectancies
that is to say, other reasons may be responsible for short life expectancy
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