(单选题)

The author writes the first para.in order to ( )

A.Summarize the previous findings

B.Attract attentions by highlighting the differences in study of the relationship between humans and pets.

C.Highlight the finding of this research lead the theme

D.Highlight the close relationship between pets and people

参考答案：B

参考解析：

第一段开头说Research shows that most dog owner's find their pets to be great stress busters.研究表明，大多数狗主人发现他们的宠物是压力的克星，可以缓解主任的压力，New science has some bad news for dog owners. Dog might ease your stress. but they can also catch it.但新的研究说明狗可以缓解你的压力。但是他们也会感染。说明是两个研究的对比。故本题正确答案选B。

知识点：细节题英语阅读理解通用英语