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．

A．People are becoming crazy．
B．Some kinds of dangerous sports are not popular as before．
C．The reason why people nowadays take part in some dangerous sports．
D．Bungee jumping is different from other dangerous sports．