根据下面的对话内容，从方框内的选项中选出最佳选项，选项中有一个为多余选项

M: Oh, hi, What is your name again? Since this is only the 2^nd day of school, I can't remember the students' names yet.

W: I have a hard time remembering names myself.

M: Uh, Karen, right?

W: My mom's name is Karen.

M: Nancy, Okay. I think I heard you were from England.

W: Well, I was born there, but my parents are American. I grew up in France.

M:

W: But then we moved here when I was nine.

M:

W: Well, he is a college professor, and he is in Scotland at the moment.

M: How interesting! What does he teach?

W: Oh, I have no idea. He teaches chemistry.

A. So, what does your father do now?

B. It is okay.

C. Nah, just joking.

D. What's your mother's name?

E. Oh, a world traveler!

F. No, it is Nancy.