A-A+
Why does the author mention a dog's bark？A．It
问题详情
Why does the author mention a dog"s bark？
A．It is a type of memory.
B．It is a type of interruption.
C．Dogs have better memories than humans.
D．A dog"s bark is similar to a doorbell.
参考答案
正确答案：B
解析：事实细节题。选项A不是作者提到的原因，选项C没有在原文中体现，选项D是干扰项，在原文中是作为例子出现的。因此正确答案是B。
