The ratio of dicorces to marriages has increased since 1940. Therefore, there must be a greater proportion of children living with only natural parent than there was in 1940. Which of the following, if ture, most strongly weakens the inference drawn above? A The number of marriages entered into by women twenty-five to thirty-five years old has decreased since 1940. B When there is a divorce , children are often given the option of deciding which parent they want to live with. C Since 1940 the average number of children in a family has remained approximately steady and has not been subject to wide fluctuations. D Before 1940 relatively few children whose parents both died were adopted into single-parent families. E The proportion of children who must be raised by one parent because the other has died has decreased since 1940 as a result of medical advances. -- by 会员 Joseph_lin (2011/6/5 11:38:06)
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