The average normal infant born in the United States weighs between 12 and 14 pounds at the age of three months. Therefore, if a three-month-old child weighs only 10 pounds, its weight gain has been below the United States average.
Which of the following indicates a flaw in the reasoning above?
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AWeight is only one measure of normal infant development.
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BSome three-month-old children weigh as much as 17 pounds.
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CIt is possible for a normal child to weigh 10 pounds at birth.
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DThe phrase "below average" does not necessarily mean insufficient.
分析该选项
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EAverage weight gain is not the same as average weight.
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