题目内容
【题目】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
【答案】B
【解析】B。“广大观察者近一个世纪以来认为…”从过去一直到现在,所以用现在完成时
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