I think the answer is B. As long as the clause after the colon is independent, you can capitalize it.
A theme is a central topic,subject,or message within a narrative.
Answer: indirect characterization
Explanation:
Indirect characterization simply has to do with the description of a particular character based on the actions of such character. This shows their personality.
With regards to the question, Zora Neale Hurston advance characterization of Janie through the indirect characterization as Jenie has a reflection on her life.