May I move your bag a little and take this seat?（）

A.I don't mind
B.It doesn't matter
C.You do it please
D.Go ahead

A.No, you can't do it
B.Sorry, but you may not
C.Well, I am afraid I am going to use it myself
D.Of course not. I'm going to need it myself

A.Yes. you need  
B.Yes. ask
C.Yes. please
D.Let me see