Respuesta :
a. Ancient Egyptian because this eventually led us to decoding their language after Christian societies erased much of it
Rosetta stone is a 196 BC stone, on which inscribed was the three versions of the decree.
The correct answer is Ancient Egyptian.
The languages can be defined as:
Demotic language is the ancient Egyptian language, which was used for writing business, literary, and religious documents. The demotic description of the stones and woods is also found.
Ancient Greek was a pluricentric language, which was separated into many dialects. Cleopatra used the Koine Greek language and was the only leader to the Ptolemic language.
In the Rosetta stone, three languages were inscribed in the Demotic and hieroglyphic scripts. The rosetta stone was the key to deciphering the Egyptian scripts.
Thus, the correct answer is Ancient Egyptian.
To know more about Rosetta Stone, refer to the following link:
https://brainly.com/question/184047