<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 35-year-old woman presents to clinic in emotional distress. She states she has been unhappy for the past couple of months and is having problems with her sleep and appetite. Additionally, she reports significant anxiety regarding thoughts of dirtiness around the house. She states that she cleans all of the doorknobs 5-10 times per day and that, despite her actions, the stress related to cleaning is becoming worse. What is this patients diagnosis?? A: Obsessive compulsive disorder OCD, B: Tic disorder, C: Panic Disorder PD, D: Generalized anxiety disorder GAD, E: Obsessive compulsive personality disorder OCPD,  <response>: Based on the description in the question stem, the key features are:- Emotional distress and unhappiness over the past couple months- Problems with sleep and appetite- Significant anxiety about thoughts of dirtiness around the house- Compulsive cleaning behaviors cleaning doorknobs 5-10 times per day that are worsening despite her actions- The anxiety and compulsive cleaning behaviors are causing significant distress These features are most consistent with obsessive compulsive disorder OCD, which is characterized by the presence of obsessions intrusive thoughts, images, or urges, such as thoughts around dirtiness and compulsions repetitive behaviors, such as excessive cleaning, that the individual feels driven to perform in response to an obsession. The obsessions and compulsions are time-consuming, cause significant distress, and interfere with normal functioning.A: Obsessive compulsive disorder OCD 