Despite the Moral Authority Religion Often Provides, Religion and Morality

Despite the moral authority religion often provides, religion and morality can sometimes be in conflict because

A) there are reasonable and logical nonreligious theories used to determine moral truths.
B) sometimes religions command people to do things that seem unethical to the rest of society.
C) the authority religion provides for morality does not allow religious morals to change with the times.
D) all the above