WHY DID THE ANCIENT EGYPTIANS KEEP THE MAKING PROCESS OF PAPYRUS A...

30. Why did the ancient Egyptians keep the making process of papyrus a secret?

A. Ancient Egypt was not an open country.

B. it could be enable them to dominate the market.

C. It took ancient Egyptians much time to invent papyrus .

D. Ancient Egypt didn’t export papyrus