Being mean, being rude, bullying
Ok, if this isn't right then I am sorry, but I am pretty sure it is (C) because my sister does dance, and during one of her intensives, her friend fractured her ankle and she came home a couple days ago from dance saying that she has to build up all that muscle all over again because there is no muscle left, it was completely diminished.
The most important one, The one with the worse symptoms.
Answer:
The answer to your question is A- calories.