C is the answer. When will the winter end?
Answer/Explanation:
A figure of speech or rhetorical figure is a word or phrase that entails an intentional deviation from ordinary language use in order to produce a rhetorical effect. A word or phrase used in a non-literal sense for rhetorical or vivid effect.
Though a bit lengthy (which is absolutely fine!) you seem to go into some good detail while withholding main points for the rest of your paper and it is very well done!