Chemical processes in the treatment of materials for clothes the environment badly in some

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A. involve；damaging
B. involved；damaged
C. involving；damage
(答案→)D. involved；damage
解析：考查非谓语动词作后置定语和谓语动词。    in the treatment of materials for clothes中    是非谓语动词作后置定语，修饰Chemical processes，Chemical processes和动词involve是动宾关系，所以用过去分词形式，排除A,C；第二空是作句子的谓语，根据nowadays，可知要用一般现在时态。所以选D。