![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-53/ti_inject-812ce.png)
What's the main idea of this passage?
A.
My first dinner in an English home when I was an exchange student at Leeds University.
B.
Differences of being a guest in a foreigner’s house
C.
The different ways to treat guests between eastern families and western.
D.
The reason why my weight fell by nearly 10 pounds.