— Would you like to come to the party?

— ______.

A．That’s quite all right

B．Yes, why?

C．Oh yes, thank you.

D．I really can’t agree with you.

Cable Modem 在上传数据与下载数据时的速率是不同的。数据下行传输时，一个6MHz的频带可传输的数据速率通常能达到______ 以上。