《陋室铭》大量使用“无丝竹之乱耳，无案牍之劳形”这样的句子，句式整齐，音韵和谐，使用的是________的修辞方法。
对偶
Rock-climbing is a breathtaking activity, very popular nationwide among young people,
cooperation as well as courage plays an important role.
A．who
B．which
C．that
D．where
水土保持林
