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【单选题】
塑料袋出现百年之后,被人们称为“人类最槽糕的发明之一”。目前,我国每天要用掉各种塑料袋20亿个以上,塑料袋在给人们带来极大便利的同时,也成为“白色污染”的祸首,严重危害了自然环境。1任何事物都有好有坏2任何事物都具有两面性这表明( )。3事物的发展是前进性和曲折性的统一4任何事物都有主要和次要矛盾
A.
①②
B.
②③④
C.
②③
D.
②④
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