According to the passage a dog named Rico could______.A.recognize the names of about 500

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According to the passage, a dog named Rico could______.

A.recognize the names of about 500 objects

B.learn new words as a 3-year-old child does

C.do calculation

D.play together with a 3-year-old child

请帮忙给出正确答案和分析,谢谢!

热搜:medline数据库中to字段是表示非英文文献的原文题名