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【单选题】
在人类活动所排放的文史气体中，二氧化碳所占比例最大，对它的处理方式一般是捕捉后封存。目前，科学家正致力于二氧化碳回收再利用的研究，利用它与氧气反应，产生甲醇，再与其它物质反应，生成乙烯，从而为工业提供原材料，使二氧化碳转变为廉价而充裕的可再生能源，这一研究思路体现了科学家力争通过科技创新（） ①生产出自然界原来没有的物质形态②解决人类社会可持续发展提出的新课题 ③解决不适应生产发展要求的高耗能问题④探索解决人与自然矛盾的可行路径
A.
①②
B.
②③
C.
③④
D.
②④
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