◎ 题干
I ______ by asking so many questions.
[     ]
A. confused
B. confuse
C. was confused
D. was confusing
◎ 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“I ______ by asking so many questions. [ ]A. confused B. confuse C. was confused D. was confusing …”主要考查了你对  【被动语态】  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。