根据对话内容从方框中选择能填入空白处的最佳选项补全对话

A: Can you go to the cinema with me now, Li Tong?

B:

A: Are you busy?

B: Yes.

A:  Is she doing her homework too?

B:  But she isn't at home.

A:

B: She is in Beijing with my parents.

A. No, she isn't. B. What about Li Hong? C. I am doing my homework. D. Where is she? E. Sorry, I can't.