Answer:
The correct option is "D. a return to polytheistic religion".
Step-by-step explanation:
Polytheistic religion refers to the worship or to believe in more than one god. polytheistic religions have their own values and cultures, there are many polytheistic religions in the world, middle east and India are the regions where this type of religion mostly spread. Sikhism refers to monotheistic religion and Guru Nanak, who was the founder of Sikhism opposed polytheistic practices.