A. make contribution B. agenda C. recycledA. a greater demand for the 1 materialsB. seems to be on the 2C. feels moved to 3 and help Protecting our delicate environment 4 of politicians, government leaders, and citizens in many parts of the world to show support for mother nature. The concept of green consumerism has gained momentum more and more over the last decade, and the public 5 However, three essential keys needed to power this movement include a more informed public, the development of improved technology, and 6
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【正确答案】 1、C,    2、B,    3、A,    4、B,    5、C,    6、A    
【答案解析】解析：此处仍是and并列结构，根据并列成分词性一致，可知此处应该填入名词词组。同时根据语义走向可知，这场运动的关键要素除了一个更敏感的公众群体，科技的改良，还有对可循环利用的更大的需求。因此A是最佳选项。