◎ 题干
____, the meat can't put into market.
[     ]
A. Having not been examined
B. Not having examined
C. Having not examined
D. Not having been examined
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“____, the meat can't put into market. [ ]A. Having not been examinedB. Not having examined C. Having not examined D. Not having been examined …”主要考查了你对  【现在分词的被动式】【现在分词的完成式】  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。