Answer:
A. for a good harvest
Explanation:
Corns are the main crops of Mayan civilization. The Maize God (or might known locally as Hun Hunahpu) is a God in Mayan mythology that is considered as someone that has the power to granted the people with Good Harvest. The Mayans even would go as far as providing human sacrifice in order to please It.
Westerners refer to Hun Hunahpu as the maize Gods since historical drawings found in mayan sites depicted this God as a man who is holding a Corn.