从对话后的选项中选择适当的选项补全对话。每个选项限用一次。

A: Hello! This is Cindy speaking.

B: This is Mary. Do you have a cold? I didn't recognize your voice just now.

A: Yes, I am not feeling very well today.

B:You should take good care of yourself.

A: Thanks. I will.

B: What are you doing now?

A: The mother in my host family is trying to make zongzi for us exchange students. Tomorrow is Dragon boat Festival.

B: You're so lucky.

A: Of course not. On that day Chinese people eat zongzi and have boat races.

B: That's cool. Thank you.I hope I can go to China someday.

A: You are welcome.

A. I'm sorry to hear that. B. I'm interested in Chinese festivals. C. Would you mind telling me some interesting customs about the festival? D. Who's that?