Inhabitants of Perréal

Look at the Colline de Perréal hill rising up in the middle of the plain between Saint-Saturnin-lès-Apt and Gargas.
From foot to summit, it has proffered relics, remains and fragments of history revealing to us who its inhabitants have been over time.
So, who do you think lived here?

A. The Gauls. B. Both. C. Prehistoric animals.