【单选题】

R: People from different countries do things differently. Shall I tell you about my worst mistake inChina

M: Go on, tell me.
R: It was on my first trip toChinA、SomeChinese people at my school were very kind to me.At the end of my stay I took then, some white flowers, but they didn’t look very happy.
M: Oh, a bad mistake! I also have a story about flowers. I went to my teacher’s house for a party when I was in France. So I took some red roses. I reached the house and gave them to my teacher’s wife. She laughed and her face went reD、But my teacher didn’t laugh.
R: Oh! Red roses mean "You love her" if you give red roses to a woman.
The two stories tell us that ______.A．people from different countries do things differently
B．people from different countries do the same thing
C．people often give flowers to other people