Fossils of Aplant that have Bbeen extinct for Cfifty million years have been fou

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问题 Fossils of Aplant that have Bbeen extinct for Cfifty million years have been found in large deposits of amber Dnear the Baltic Sea.

选项 A、
B、
C、
D、

答案 A

解析与后面的have been extinct相搭配，此处的plant应是复数。

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