______ deep down in the earth,the dead forests rotted away and became coal.A.Buried B.Burying C.To bury D.Being buried

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______ deep down in the earth,the dead forests rotted away and became coal.
A.Buried B.Burying C.To bury D.Being buried

B过去分词引导状语

b

选D.这题应该用被动态,因为森林只能”被埋”.

是不是选D啊~~

A

B

b