(单选题)

William Farr’s study and other studies show that ______.

A.social life provides an effective cure for illness

B.being sociable helps improve one’s quality of life

C.women benefit more than men from marriage

D.marriage contributes a great deal to longevity

参考答案：D

参考解析：

细节理解题。根据文章第一段第三句Relationships with family, friends, neighbors, even pets, will all do the trick, but the biggest longevity (长寿) boost seems to come from marriage or an equal relationship.可知婚姻对于长寿有益，故选D。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语