Answer:
The answer is o an opposing character who creates problems in a story. people get it confused with the protagonist
The correct answer is B: document/ cite sources
The answer is C. At first the child misjudges the elderly neighbor when he fears her, and is happy with their new friendship when she helps him.
A has misjudgment but no happiness.
B doesn't match at all
D doesn't say that the rivals misjudged their rivalry or were happy at any point.