The correct answer is A) Stick to teaching the religion and leave the rules of government to man.
The Humanist idea believed that the church should stick to teaching the religion and leave the rules of government to man.
The Humanist thinking believed that the human being was capable to sue the reason, its mind to accomplish many new things. This way it could go beyond the limiting teachings of religion that dominated during the Middle Ages. This new approach made possible new moments in history such as the Renaissance and later, the Enlightenment.