Scientific-Minded People Often Object That Individuals Who Believe in Witchcraft

Scientific-minded people often object that individuals who believe in witchcraft and the supernatural are superstitious. Which reason BEST supports this objection as either valid or not valid?

A) It is not valid because scientific-minded people are using an approach that cannot substantiate its claims.
B) The objection of scientific-minded people is not valid because scientists are known to be biased in their opinions, too.
C) It is valid because the objection of scientific-minded people is based on high-quality research demonstrating that superstitious beliefs are likely wrong.
D) Scientific-minded people hold beliefs that are more modern, while people who endorse superstitions are maintaining very old ideas.