根据对话内容，从中选出能填入空白处的最佳答案。
A: Are you free next Saturday?
B: Yes. 【小题1】
A: I’m wondering if you’d like to go to watch a football game with Jack and me. I have some tickets.
B: Sure, I’d love to! Thanks.
A: 【小题2】
B: I’m doing my homework. I still have a lot to do.
A: Me too. 【小题3】
B: I’m sorry. I don’t think I can.
A: Why? We can do our homework together.
B: My mom is not at home. 【小题4】 I don’t think I can finish dinner early.
A: 【小题5】
B: Can I? That would be very nice of you. Thank you.

A．I believe so.

B．I have to cook dinner myself.

C．You can have dinner at my home.

D．Would you like to come to my home this evening?

E．By the way, what are you doing now?