A, because short stories are usually meant for the purpose of morals, and C is not a characteristic of a short story due to the fact that those are actually reserved for well, longer stories, D does not fit as diagrams are almost literally never used in short stories besides the cover, and rhymed couplets are poem-related.
Welp, it's certainly not the first one...the second one is very likely but I guess it depends on if they mean like a real conflict, so if it's real then it's the third option..yeah I guess go with that, and if I'm wrong I'm so so sorry!
D - Therefore, a property tax increase is the best way to raise money for school improvements.
The use of the word 'therefore' is an indication that this sentence would be a concluding (or final) sentence, wrapping everything up.
