An Adult with Autism Spectrum Disorder Has Just Started a New

An adult with autism spectrum disorder has just started a new job at the local grocery store. The manager has noticed that the individual is unable to attend to his task of bagging groceries and is instead scratching at the back of his neck throughout the day. The worker states that the tag itches and that he needs to scratch to get rid of the itching. With which of the following is this individual most likely having difficulty?

A) Self-regulation
B) Sensitization
C) Habituation
D) Sensory awareness