— How's everything going?  

— ____.     

A．Everything is finished

B．Everything has been done

C．Not so bad， you know

D．Not doing wrong， you know

KB(千字节)是度量存储器容量大小的常用单位之一，这里的1KB等于______。
A) 1000个字节 B) 1024个字节 C) 1000个二进位 D) 1024个字