I think it's either A or D. Sorry, can only help you until there Good luck!
D. To make the characters more real and believable.
Answer:
Compare: Estimate, measure, or note the similarity or dissimilarity between.
Contrast: Compare in such a way as to emphasize differences.
Therefore, to contrast is to compare. They mean the same thing. So, just write the differences and similarities between the two texts and you should be fine. It doesn;t matter what subject or topic it is, just stick to the guidelines..
