参考答案

正确答案：C
解析：写作目的题。认真阅读文章前两句，就可以看出作者的keynote：“．．．we are all ultimately a lone.But an increasing number．．．are choosing to be so at an ever earlier age”，第三段再次提到“the newest crop of singles are high earners in their 30s and 40s who increasingly view living alone as a lifestyle. choice．．．．came along the idea of singles．They were young，beautiful，strong! Now，young people want to live alone”。因此，正确答案为C项。