◎ 题干
Of the 2,000 stock investors______last month,90% was found_____in financial knowledge  
[     ]
A. surveyed;lacking    
B. having been surveyed;to lack    
C. surveyed;lacked    
D. to have been surveyed;lack
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Of the 2,000 stock investors______last month,90% was found_____in financial knowledge[ ]A. surveyed;lackingB. having been surveyed;to lackC. surveyed;lacke…”主要考查了你对  【现在分词】【一般过去时】  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。