____________ from other continents for millions of years,Aus

____________ from other continents for millions of years,Australia has many plants and animals not found in any other country in the world.
A Being separated B Having separated C Having been separated D To be separated
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C

考查非谓语动词作状语。短语be separated from 与什么分开，Australia与separate之间是被动关系，且分词的动作发生在谓语动词之前，故用现在分词的完成式。所以选C。

1年前

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