Answer:
I think it is the last one
Since we learn that the aunt has a soft heart, I will say that 'this is an example of indirect characterization', because we learn of her characteristics in an indirect way, that is, we are not directly told that she has a soft heart, we can infer that information from this passage.
D makes the most since over C's "high in the sky" D is the best choice here.
Just bring up a subject , if you have a class with them then it should be easy so ask them to help you with a question or if there is any homework