Answer:C.excoriation.
Explanation:
What is Excoriation?
Excoriation is a disorder that causes someone to obsessively pick,dig into,rub or scratch their skin.
This occurs when people are uncomfortable with the visibility of their own skin and they try to remove that. Some people will do it when they are nervous but not in a normal way , beyond what one will consider normal
Because the person's skin will start bleeding or having scars or peeling. It is associated with mental disorders which makes a person feel like they need to constantly pick or scratch their skin. Some person will have these scars which never seem to heal cause they constantly engage in this behaviour. The reason it is referred to as an obsessive compulsive disorder.
