Which was unique to the ancient civilization that developed in china

The options of the question are:

A) polytheism

B) a social order with kings at the top and slaves at the bottom

C) the use of bones in record-keeping

D) the development of agriculture

The correct answer is C) the use of bones in record-keeping.

What was unique to the ancient civilization that developed in China was the use of bones in record-keeping.

These bones were known as the Oracle Bones, kind of blades of bones made from the turtle's shell. The bones were used as record-keeping and divination in ancient civilization of China, in the Zhou Dynasty and in the Shang Dynasty. With the time, the symbols became words that later formed the Chinese script.

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threats. this was all i could find hope this : )