The correct answer is B.
A combination of poor nutrition and a sedentary lifestyle are leading to greater occurrences of obesity in children and adolescents. This is true, especially in first world countries like the US. Children and adolescents are not as physically active as they used to be around 20 - 30 years ago due to advances in technology. The diets tend to be high in sugar and processed food as they are cheaper and easier to buy and easier to feed the kids with.
Answer:
Have you considered duck tape? If you leave it on long enough it creates the same effect, just you know without blood. You don't have to answer this, but are you using cutting as a kind of outlet? Or for different reasons such as self hate? If you also don't mind me asking, do you cut daily?