One reason for quick population increase in underdeveloped countries is that ______.
A、those countries encourage people to have large families
B、people can get government support if they have more kids
C、improved public health standards have reduced death rate greatly
D、those countries have enough resources to support a large population
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正确答案
试题解析
答案从文章第一段的前两句话找得。在第一段第二句话末尾提到了“thanks to improved standards of public health. ”可知，公共健康标准的提高是“不发达国家人口增长快”的原因，所以选C。
