◎ 题干
— We don't know who stole the book. What's you opinion?
— Jack is considered _____ it.

A. having done
B. to have done
C. doing
D. to do
◎ 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“— We don't know who stole the book. What's you opinion? — Jack is considered _____ it.[ ]A. having done B. to have done C. doing D. to do …”主要考查了你对  【不定式的完成式】  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。