Marika Regularly Shows Up at School with Bandages on Her

Marika regularly shows up at school with bandages on her arm.When her friends ask her why she has a new one, she dodges the question and just says, 'Oh, I got a small cut.' She is regularly seen playing with the bandages, and one day one of her friends was sure she saw Marika actually picking at her own skin in the same area of her arm.Which problem may Marika be challenged by?

A) excoriation
B) trichotillomania
C) body dysmorphic disorder
D) obsessive-compulsive disorder