It' s already 5 o' clock now. Don' t you think it' s about time ______

A．It is very interesting to have a name.
B．It is very easy to be remembered.
C．It is very easy to be told from others.
D．Both B andC.

A．George, Linda, Susan.
B．Tom, Jill, Cindy.
C．Elizabeth, Lisa, Mary.
D．Peter, Jeff, Jack.