According to Chapter 10, How Is the Distinction Between Objective

According to Chapter 10, how is the distinction between objective obligation and subjective obligation useful when thinking about religion and morality?

A) It enables people who agree about religious claims but disagree about the moral implications of those claims to "agree to disagree" about those implications.
B) It allows people who disagree about some religious claim to agree about the subjective obligations of people who accept that religious claim.
C) It provides a polite way of saying that someone else is wrong by admitting that something is a subjective obligation rather than an objective obligation.
D) It means that people of different religions can both be correct about what they are objectively obligated to do.