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【单选题】
The number of people 85 or older in the United States started increasing dramatically during the last ten years. The good health care that these people enjoyed in the United States during their vulnerable childhood years is primarily responsible for this trend. Which of the following, if true, most seriously weakens the explanation above?A.
Seventy-five percent of the people in the United States who are 85 or older are the children of people who themselves lived less than 65 years.
B.
The people in the United States who are now 85 represent an age group that was smaller in numbers at birth than the immediately preceding and succeeding age groups.
C.
Thirty-five percent of the people in the United States who are 85 or older require some form. of twenty-four-hour nursing care.
D.
Many of the people in the United States who are 85 or older immigrated to the United States when they were 20 years old or older.
E.
Because of decreased federal funding for medical care for pregnant mothers and for children, the life expectancy of United States citizens is likely to decrease.
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