(单选题)

Which of the following statements cannot be inferred from the passage?

A.Alzheimer's disease is the most common type of dementia.

B.A healthy lifestyle can effectively help alleviate the genetic risks of heart disease and Alzheimer's.

C.Researchers have long mastered the techniques and tools for conducting large-scale research to see lifestyle contribute to a certain disease.

D.The result of this recent study was first published on the internet.

参考答案：C

参考解析：

是非题。在第5段从这句话About 50 million people have dementia, and Alzheimer's disease is the most common type.可以看出A项是符合的，故排除；B项说健康的生活方式可以有效地帮助减轻心脏病和阿尔茨海默病的遗传风险，在文中也有提到；第五段说研究人员只是在最近才有工具和信息来进行大型研究，看看每个因素有多重要，而C项说已经很长时间掌握了工具等，意思不符合我们的题干；第四段有说明published online。故本题正确答案选C。

知识点：是非题英语阅读理解通用英语