◎ 题干
Since 1994, the glacier in Antarctica has lowered by as much as 90cm, _____ sea level to rise.
[     ]
A. having caused
B. causing
C. caused
D. being caused
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Since 1994, the glacier in Antarctica has lowered by as much as 90cm, _____ sea level to rise. [ ]A. having caused B. causingC. causedD. being caused …”主要考查了你对  【现在分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。