Jack: Tom, be careful! You almost felt down.
Tom: Yes, I'm OK. Don't worry.
Jack: You'd better not look at your phone while walking.
Tom: OK, I won't.
Jack:
Tom: You saw my pictures on my WeChat, didn't you?
Jack: Yes.
Tom: Just a little traffic accident.
Jack:
Tom: There was nothing serious, because we all wore the seat belts.
Jack: OK. We should know how to protect ourselves.
Tom: By the way, have you got vaccinated（接种疫苗）against COVID-19?
Jack: Many people have got vaccinated in our city.
A. Yes, I have.
B. Are you all right?
C. Did you see a dentist?
D. I'm sorry to hear that.
E. What happened?
F. Will you go with your friends?
G. It seemed that you weren't happy on the WeChat yesterday.
