Which statement about Kantian deontology is true? a.) It is a relativist theory because…

Which statement about Kantian deontology is true?
a.)
It is a relativist theory because it uses cultural preference as the criterion for right and wrong.
b.)
It is an objectivist theory because God’s commands apply to everyone at all times.
c.)
It is an objectivist theory because the moral law applies to everyone at all times.
d.)
It is a relativist theory because it uses personal preference as the criterion for right and wrong.