哲学上存在着唯物主义和唯心主义、辩证法和形而上学这“两个对子”。 下列选项中与“两个对子”对应正确的是 ( ) ①理在事先——断章取义 ②形存神存——心外无物 ③掩耳盗铃——削足适履 ④沧海桑田——刻舟求剑 A.①② B.③④ C.①③ D.②④ Teenagers __________ their health because they play computer games too much. A. have damaged B. are damaging C. damaged D. will damage