The answer to your answer is B because who cares what your freinds think,from a personal experience I shouldn't but I do,but still I shouldn't and neither should you or anyone else for that matter.
Maybe you have pinworms?? go to the doctor asap!!!!
I believe the answer is national state and health standards
They work with their hands. Examples are: activities, puzzles, board games, etc. They require a more interactive learning environment.