2. 外语
  3. Previous research has established the lupine wolf as the______of the modern canine, but when and where humans first domesticated

Previous research has established the lupine wolf as the______of the modern canine, but when and where humans first domesticated

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问题 Previous research has established the lupine wolf as the______of the modern canine, but when and where humans first domesticated the former into the latter remains unclear.
选项 A、competitor
B、ally
C、scion
D、prey
E、progenitor
答案E
解析
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