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More than 10,000 relics, between 5,000 to 3,000 B.C., at Sanxingdui since it was

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More than 10,000 relics, between 5,000 to 3,000 B.C., at Sanxingdui since it was

More than 10,000 relics, ____ between 5,000 to 3,000 B.C., ___ at Sanxingdui since it was first discovered.

A. dating back to, was dug up           B. dating back to, have been dug up

C. dated back to, has been dug up       D. dated back to, were dug up

试题答案

B