How Could One Defend the Claim That Your Moral Beliefs

Multiple Choice

How could one defend the claim that your moral beliefs are not justified because they are influenced by your parents or culture?

A) Argue that it is extremely lucky if your parents or culture turned out to morally wise, and such luck is incompatible with knowledge.
B) Argue that it is extremely unlikely that your parents would have taught you morality even if they knew moral truths.
C) Argue that it is possible that your moral beliefs have other influences, too.
D) None of the above