The correct option is "b. it is a sacred text that documents the maya creation myth."
The popol vuhes a compilation of mythical, legendary and historical narratives of the K'iche 'people, the Guatemalan Mayan people with the largest population. The book, of great historical and spiritual value, has been called Sacred Book or the Bible of the Mayans. It is composed of a series of stories that try to explain the origin of the world, of civilization, of various phenomena that occur in nature, etc.