Which statement correctly describes the maya calendar

There are no choices available but I will provide you with a brief background of the Mayan Calendar.

It was used by pre-Columbian Mesoamerica and some modern communities that are found in the Guatemalan Highlands, Oaxaca & Chiapas, Veracruz, Mexico. The system dates back to 5th century BC where people have constructed it to be used commonly throughout the regions of Mexico. Itzamna was known to be the deity that brought the calendar system to the ancestral Maya together with writing and all influences in the Mayan culture.