Which of the following demographic growth patterns is most suitable for the long thin powd
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Which of the following demographic growth patterns is most suitable for the long thin powder fuse analogy？
A．A virtually stable or slightly decreasing period and then a sudden explosion of population.
B．A slow growth for a long time and then a period of rapid, dramatic increase.
C．Too many people on earth and a few rapid increase in the number added each year.
D．A long period when death rates exceed birthrates and then a short period with higher fertility and lower mortality.
请帮忙给出正确答案和分析，谢谢！
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正确答案：B
解析：推断题。由文章第二段第二句和第三句的virtually stable or growing very slightly for most of human history可知，文章第一段最后一句的引申意思是：在人口缓慢稳定的增长之后会出现人口的激增。四个选项之中，只有B与其最相符，故选B。