The correct answer can be A,
Because that student knows that cutting her self she will bleed and maybe loose a lot of blood.
Its not B , because they didn't plan it.
Its not C , because it was an accident.
dose this Help?
It should be thirty minutes three times a week for it to be beneficial. But if you want to go with a stronger goal, it should be four to five times a week.
If you don't know how that kind of thing works, you are likely to make mistakes regarding it. If you know how it works, you can prevent yourself from making mistakes that could endanger yourself and/or others.