Read the following sentence from "The Bystander Effect."This is not Switzerland, and you are not a neutral party: When bullying is happening at your school, it's everyone's problem. What does the author most clearly mean by this claim? Base your answer on the context of the article.
A.Bullying affects all society, creating fear or uncertainty for everyone
B.Neutrality has never been an effective strategy for ensuring peace, because no one can remain truly neutral when conflict is widespread.
C.Bullies who are not stopped will eventually bully everyone in their school, making it an unsafe place for all.
D.There are only two types of people in the world, bullies and their victims, so everyone must choose a side.