Discerned from the perplexing picture of population growth the 1980 census provided, America in 1970s ______. The word "demogra

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问题 Discerned from the perplexing picture of population growth the 1980 census provided, America in 1970s ______.
The word "demographers" (Line 1, Paragraph 7) most probably means ______.

选项 A、people in favor of the trend of democracy
B、advocates of migration between states
C、scientists engaged in the study of population
D、conservatives clinging to old patterns of life

答案C

解析 从短文第七段的首句可知,demographers所提出的两个数字统计都是在谈人口问题,故他们应是研究人口问题的科研人员。
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