A、  B、  C、  A

Could you turn down the music just a notch?
(A)I’m sorry. I didn’t know it was bothering you.
(B)Please turn it in as soon as possible.
(C)Yes, right around the corner from here.

I could always handwrite the letter.
(A)That would seem more personal.
(B)Mary wrote the letter this morning.
(C)I will hand it to her when I get there.