You already answered the question. The claim is you shouldn’t talk to strangers. The support theme shows that in the evidence because little red riding was too trusting of the wolf, the “stranger” she ended up putting her grandmother and herself in danger.
I think it’s C... or A... most likely A!
The Power of Repetition. Repetition is a powerful force in fiction. It can emphasize setting, highlight a character trait, draw attention to a seemingly minor detail. Repeated words, repeated information, repeated sentence construction can turn your reader's attitude from eager interest to downright hostility.
I think it's explanation since the text shows comparison which isn't direct, ni similar words are present, ruling out synonyms and examples aren't present in the text.