<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 26-year-old woman presents to the office complaining of bloating and consistent fatigue. Past medical notes on her record show that she has seen several doctors at the clinic in the past year for the same concerns. During the discussion, she admits that coming to the doctor intensifies her anxiety and she does not enjoy it. However, she came because she fears that she has colon cancer and says, Theres gotta be something wrong with me, I can feel it. Past medical history is significant for obsessive-compulsive disorder OCD. She sees a therapist a few times a month. Her grandfather died of colon cancer at 75. Today, her blood pressure is 12080 mm Hg, heart rate is 90min, respiratory rate is 18min, and temperature is 37.0C 98.6F. Physical examination reveals a well-nourished, well-developed woman who appears anxious and tired. Her heart has a regular rhythm and her lungs are clear to auscultation bilaterally. Her abdomen is soft, non-tender, and non-distended. No masses are palpated, and a digital rectal examination is unremarkable. Laboratory results are as follows:Serum chemistry Hemoglobin 13 gdL Hematocrit38MCV 90 flTSH4.1 μUmLFecal occult blood test negativeWhich of the following is the most likely diagnosis?? A: Malingering, B: Somatic symptoms disorder, C: Body dysmorphic disorder, D: Illness anxiety disorder, E: Generalized anxiety disorder,  <response>: This is a clinical vignette about a 26-year-old woman presenting with nonspecific symptoms of bloating and fatigue. She has a history of OCD and health anxietyhypochondriasis. Despite normal physical exam and lab findings, she remains convinced something is wrong, specifically colon cancer. The key features are:- Longstanding nonspecific somatic symptoms- Excessive health anxiety and worry about having a serious illness- Belief persists despite lack of objective evidence of illness - Symptoms cause distress and impairmentThis presentation is most consistent with illness anxiety disorder formerly known as hypochondriasis. The excessive health anxiety and preoccupation with having a serious illness are the core features.D: Illness anxiety disorder 