You need quotations around the question if you got it from a article
A restatement of the main idea. You want to take that last chance to make sure you have made your point.
The answer is most likely A. C and D both show things that are not part of a resolution. With choice B, it sounds quite similar, but in a resolution, it wouldn't DEPICT the protagonist's attempt to change the society, that would be the plot. The resolution, or conclusion would (most likely if it's not a cliffhanger) convey to the audience whether or not the protagonist has succeeded or failed in their attempts to change their society's downfall or escape the confines of their society's downfall.
