A "subject complement" is a word or a group of words that appears in the PREDICATE part of the sentence BUT refers to or describes the SUBJECT. "B" is the correct answer, because "better" describes the subject "I," even though it appears AFTER the verb "felt," which means it is in the predicate part of the sentence. Hope this helps!!
Explanation:
The characters become paranoid and fear one another, so they plot and blame one another rather than using rational thinking.
Answer:
a contrast between routine detalls and a
fantastical occurrence