What’s the passage(文章)about?

Something about eating customs(风俗习惯)in Japan．

Something about delicious food in Japan．

Something about how to learn Japanese．

Something about travelling(旅游)in Japan．

When a Japanese says “itadaki-masu”, it shows ________．

The food is not good．

You are welcome．

I dislike the food．

Thanks for the food and the people who make the food．

Which of the following is not right(不正确)?

Japanese like showing their thanks．

They start to eat when everyone is seated．

They often speak when they are eating．

They say “gochiso-sama” to show the food is nice．