题目内容
A recent study has ________an unexpected conclusion that the African elephant should be divided into two different species.
A.kept up with B.made up with C.caught up with D.come up with
D
【解析】考查动词短语辨析。句意为:最近的一项研究得出一个意外结论,非洲象应被分成两个不同种类。keep up with跟上;make up with和好;catch up with追上;come up with提出。
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