根据以下资料，回答题。The social sciences are flourishing.As of 2005,there were almost half a million professional social scientists from all fields in the world, working both inside and outside academia. According to the World Social Science Report 2010,the number of social-science students worldwide has swollen by about 11% every year since 2000.Yet this enormous resource in not contributing enough to today’s global challenges including climate change, se

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正确答案：

本题解析：

文章来源于Luk Van Langenhon在《自然》杂志中关于对社会科学研究的资金未来取向，他的论据从社会科学的投资收益率角度，建议我们应该资助解决在各学科大环境下的大问题的研究。
[考点分析] 复现结构+代词纸带关系定位
[选项分析] 此题为段中空，因此此空所填内容是由其上下文决定的。上句中Yet this enormous resource 没有对如今的global challenges做出足够的贡献，这些global challenges 包括 climate change, security, sustainable development and health. E选项中These issues指代上句中的各种global challenges，并且all have root causes in human behavior解释了为什么说this enormous resource in not contributing enough to today’s global challenges。因此E 选项为正确答案。