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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1995

Nearly a century later,extensive observations_______that elephants indeed remember injuries and hold hates against their abusers.

A.confirmed B.have confirmed
C.will confirm D.had confirmed
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Nearlyacenturylater,extensiveo