(单选题)

Which is the significance of David Kunst’s journey?

A.He wore out a lot of shoes.

B.He took four years to complete it.

C.He traveled through twenty-one countries.

D.He set a world record by walking around the world.

参考答案：B

参考解析：

细节理解题。根据文中第三段第二句“From 1970 to 1974, an American, David Kunst, was the first person to walk around the world.”，说明David Kunst的重要性在于，他是第一个进行全球旅行的人，根据文中第三段第三句“He wore out twenty-one pairs of shoes on his trip!”，排除C项；D项在文中未提及。故选B。

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