<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 68-year-old man presents with urinary retention for the past week. He says his symptoms onset gradually almost immediately after being prescribed a new medication for his depression. He states that he has increased his fluid intake to try to help the issue, but this has been ineffective. He also mentions that he has been having problems with constipation and dry mouth. His past medical history is significant for major depressive disorder, diagnosed 6 months ago. The patient denies any history of smoking, alcohol consumption, or recreational drug use. He is afebrile, and his vital signs are within normal limits. A physical examination is unremarkable. A urinalysis is normal. Which of the following medications was this patient most likely prescribed for his depression?? A: Phenelzine, B: Mirtazapine, C: Citalopram, D: Amitriptyline, E: Venlafaxine,  <response>: This is a clinical reasoning question asking about the most likely medication prescribed to a patient with urinary retention, constipation, and dry mouth, given a history of depression treated 6 months ago. The key facts are:- 68-year-old male with urinary retention, constipation, dry mouth- History of depression diagnosed 6 months ago- Prescribed new antidepressant medication around time symptoms started - No other significant medical historyThe answer choices list different types of antidepressant medications. I need to identify which one is most likely to cause the anticholinergic side effects of urinary retention, constipation, and dry mouth.D: Amitriptyline 