一道阅读理解题,请帮我分析下

题目

一道阅读理解题,请帮我分析下
截取一段,题目也根据这段设置
The important thing to remember about social customs is not to do anything that might make other people feel uncomfortable-----especially if they are your guests.When the food was served ,one of the guests strated to eat his peas with a knife .The other guests were amused or shocked ,but the host calmly picked up his knife and began eating in the same way.It would have been bad manners to make his guest feel foolish or uncomfortable.
author of this article may agree with which of the following?
a.The guest who ate his peas with a knife
b.The other guests who were amused or shocked
c.The host who picked up his knife and began eating in the same way
d.None of the above
正确答案选C,为什么不选D呢?请读懂的人帮我理解下

答案

问题是作者同意下面哪一个
文章讲一个故事,一个客人用刀吃豌豆,其他客人看了都笑,但这家店的主人也用同样的方法吃豆子,这表示了一个人的风度,缓解了别人的尴尬.
.The host who picked up his knife and began eating in the same way（这家店的主人也用同样的方法吃豆子）
作者同意这做法,所以是C