A. The word "camelopard" is close to the word that people in ... used.

1. The text states that the English name for the giraffe was "camelopard" and that this name comes from ancient "camel" and "leopard".
2. This implies the word was used by people who were familiar with camels and leopards.
3. Ancient Arabia is the most likely region where people would have been familiar with camels.
Answer: 1) Ancient Arabia