The correct answer is C. The Toltec developed a religious ceremony involving a sweat-house.
The Aztecs were the last of civilizations that settled in Mexico, because of this they were heavily influenced by the other groups that came before them such as Olmecs, Toltecs, and the Teotihuacan.
The Toltecs influenced the Aztecs, they believed they were the founders of civilization and credited them with the invention of painting and sculpture.
The Toltecs also practiced a religious ceremony involving a sweat-house called “temascalli” or also called nowadays Temazcal.