More and more carbon dioxide is being released into the air,________the more severe global warming e

题目简介

More and more carbon dioxide is being released into the air,________the more severe global warming e

题目详情

More and more carbon dioxide is being released into the air,________the more severe global warming effects.
A.contributed toB.to contribute to
C.contributing toD.to be contributed to
题型:单选题难度:中档来源:不详

答案

C
C 考查非谓语作状语。句意:越来越多的二氧化碳被释放到空气中,导致温室效应更严重。contribute to 导致,促使。空格处为现在分词作结果状语。

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