In the RGB color spaces, each pixel on the screen has a corresponding RGB value which consists of (71) components.

A．p→next =p→next→next;
B．p=p→next; p→next =p→next→next;
C．P→next =p→next;
D．p=p→next→next;

A．存取控制矩阵
B．用户权限表
C．密码与口令
D．数字签名