(单选题)

Which is the best title of the passage?

A.How to make ourselves successful.

B.Effort is the philosophy of life.

C.The power of greeting.

D.The way we greet people.

参考答案：C

参考解析：

主旨大意题。根据全文内容和最后一段“The day you speak to someone who has their head held down and when they lift it up and smile, you realize how powerful it is just to open your mouth and say, ‘Hello.’”可知，本文主要论述了问候的力量。故选C。

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