A．Looking down upon it．
B．Doing something else．
C．Giving it space and attention．
D．Getting some amusement．

A．It is more dangerous．
B．It is much easier to do．
C．It is hard to find a proper place for it．
D．It takes much shorter time to get pleasure．

A．Because people want to get away from modem life．
B．Because people have more free time．
C．Because people like adventures．
D．Because people are not quite pleased with modem life．