Because most people used for many of there problems
c) observing is the right answer I believe
It depends if it's helping you grow on the activities you want to learn. If you enjoy being there, stay there. If you were forced and don't like it, leave. A few question to ask yourself:
1) Do I feel safe?
2) Do I enjoy going there?
3) Do people respect me?
4) Am I learn?
The rest is on your own! I hope I've helped!