(单选题)

What does the author say about social networks?

A.They have effects similar to those of a marriage.

B.They help develop people’s community spirit.

C.They provide timely support for those in need.

D.They help relieve people of their life’s burdens.

参考答案：A

参考解析：

细节理解题。根据第二段中的“how all kinds of social networks have similar effects”可知，社交网络和婚姻有相似的作用。故选A。

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