2. 外语
  3. Fossils of A(plant) that have B(been extinct) for C(fifty million years) have been found in large deposits of amber D(near) the

Fossils of A(plant) that have B(been extinct) for C(fifty million years) have been found in large deposits of amber D(near) the

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问题 Fossils of A(plant) that have B(been extinct) for C(fifty million years) have been found in large deposits of amber D(near) the Baltic Sea.
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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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