―I’m fed up with your loud music. Couldn’t you please be quieter?

―What? What _________?

       A. did you say B. were you saying C. have you said     D. are you saying

- I'm fed up with your loud music．Couldn't you please be quieter?

-What? What_____？

　 A．did you spy　 B．were you saying　 C．have you said D．are you saying