请从Ⅱ栏中选出Ⅰ栏中各句的应答语。
Ⅰ                                                 Ⅱ
What are you going to be when you grow up?  A. Two days.
Would you mind not smoking here?            B. No, you don’t have to.
When shall we meet?                         C. I’m sorry. I won’t do it again.
How long have you been like this?           D. A doctor.
Must we leave now?                          E. Let’s make it six.