Same, I'm sick of school already and all the homework is just too much. But uhm you might wanna delete this before the mods do
I believe the answer is d
When your muscles are sore it can mean you worked it out, but also can mean other things like straining. If you feel a tight sensation when moving your body. It means you have worked on that area well! :}
Its a slow process atlest for me start small then work ur way up