In a Religious Context, Morality Is Typically Described as "Prescriptive

In a religious context, morality is typically described as "prescriptive." What does this mean?

A) Morality entails obligations, using words such as "should" and "ought."
B) Moral commands are general suggestions or guidelines that one can accept or ignore.
C) Morality is purely relative, that is, completely determined by the individual or the community.
D) Morality is incomprehensible, too strange to be understood at all.