I think its either b or a mostly a though hope this helps!!
Answer:
thank you so much have great year I hope that your family is safe!
Explanation:
"See Aztec Empire. The Aztecs used two different calendar systems, one with a cycle lasting 260 days and the other with a 365-day cycle. The 260-day calendar cycle, known as the tonalpohualli (counting of the days), was a sacred calendar used mainly by priests to predict the future.
"
There were Daykeepers that kept track of the days. I hope this helped.
