Justifying your ideas by appealing to an authoritative source, which one of the following fallacies most align with this statement

a) Justifying your ideas by relying on the authority of a source without providing substantive evidence.
b) Creating a circular argument by using the authority of a source as the basis for the claim without independent support.
c) Attacking the person presenting opposing ideas rather than addressing the substance of the argument.
d) Drawing an inappropriate comparison between an authoritative source and the validity of the ideas being presented.