A．The young are more knowledgeable than they are about the world around.
B．The young treat historical events as seriously as they do.
C．The young do not behave the way they did when they were young.
D．The young tend to ruin their minds to more serious matters.

A．the young generation differs from the old in their attitude toward life
B．the young generation seeks to possess more material wealth
C．the old are regretful for their past personal lives
D．the old have been trying to keep up with modern life