It is difficult to trace the history of certain ancient beads because they __________. A. are small in size B. have been buried underground

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It is difficult to trace the history of certain ancient beads because they __________.

are small in size

have been buried underground

have been moved from their original locations

are frequently lost

Giải thích

Đáp án C

Thật khó để theo dấu lịch sử của những hạt cườm cổ nhất định bởi vì

A. Kích thước nhỏ B. được chôn dưới lòng đất

C. được mang đi khỏi vị trí ban đầu D. thường bị mất

Dẫn chứng: Even the most mundane beads may have traveled great distances and been exposed to many human experiences...Many ancient beads that are of ethnographic interest have often been separated from their original cultural context.