4.It is reported that the old coins _____ under the earth for about 500 years by the time they were discovered.A.had buried \x05\x05\x05B.had been buried C.buried \x05\x05\x05D.were buried这个怎么选,为什么

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4.It is reported that the old coins _____ under the earth for about 500 years by the time they were discovered.A.had buried \x05\x05\x05B.had been buried C.buried \x05\x05\x05D.were buried这个怎么选,为什么
4.It is reported that the old coins _____ under the earth for about 500 years by the time they were discovered.
A.had buried \x05\x05\x05B.had been buried
C.buried \x05\x05\x05D.were buried
这个怎么选,为什么

4.It is reported that the old coins _____ under the earth for about 500 years by the time they were discovered.A.had buried \x05\x05\x05B.had been buried C.buried \x05\x05\x05D.were buried这个怎么选,为什么
选B
“硬币被埋葬”,故用被动语态
根据时间状语:for about 500 years by the time they were discovered.确定用过去完成时
故选B.

赞同B

B