Answer:
d. opinions
Explanation: To support evidence of a claim or counterclaim, an author needs to use facts, not opinions. An opinion could show that the author supports or doesn't support the claim, (Or counterclaim) but wouldn't use any evidence to say whether the claim is true or false.
Since we are talking about the American romantic period, I'd say that what the archetype of the devil usually symbolizes in the literature of that era is C. the romantics' fascination with the supernatural.
They were crazy about the dark and mysterious creatures, so maybe that is the correct answer.
