The answer would be option B "Johnny." Johnny died in the hospital because of the fire. It was from the burning down church and Pony, and Johnny went in their to save many little kids. It's not option A because Two-bit doesn't die at all, it's not option C because Ponyboy doesn't die either, it's also not option D because Dallas died in a gun fight with the police.
Hope this helps!
My say would be yes. You should always stick up for yourself
Here's an example sentence.
The girl laughed as her father, the "fitness expert", struggled to do a push up.
This shows sarcasm and irony because if her father calls himself a fitness expert, then why is he struggling to do one pushup. This is the opposite of being a fitness expert.