I believe it's persuade. You want to persuade schools to offer better food. B is wrong because you are not entertaining anyone. Inform is wrong because you would just be stating facts. A is wrong because you are not telling someone to do something. Hope this helps! ;)
Answer:
3. candy
hope it helps and your day will be full of happiness
Because everyone is human. We all look the same on the inside and it's ignorant to judge based on skin color or gender
B, exaggeration, it makes it seem obvious and it adds in mocking and humor as well.