题目内容
It is reported in the papers that the old coins _______under the earth for about 200 years by the time they were discovered.
| A.had buried | B.had been buried |
| C.buried | D.were buried |
B。
本题考察时态。由by the time引导的从句中谓语were discovered知应主句用过去完成时,by引导的时间状语或从句时,主句一般用完成时。
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