<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:Two days after undergoing an emergency laparotomy following a motor vehicle collision, a 37-year-old man has increased thirst. Examination shows dry mucous membranes and decreased skin turgor. A review of his chart shows his urine output to be in excess of his fluid intake. Laboratory studies show a serum sodium concentration of 151 mEqL and urine osmolality of 110 mOsmolkg H2O. One hour after the administration of desmopressin, the serum sodium concentration is 146 mEqL and urine osmolality is 400 mOsmolkg H2O. One week later, his laboratory values are within normal limits. This patients condition was most likely caused by damage to which of the following structures?? A: Posterior pituitary, B: Adrenal cortex, C: Proximal renal tubule, D: Collecting duct, E: Supraoptic nucleus,  <response>: This is a question about diabetes insipidus DI caused by trauma. The patient has signs of dehydration increased thirst, dry mucous membranes, decreased skin turgor along with dilute urine low urine osmolality and elevated serum sodium, indicating DI. The desmopressin test shows improved urine concentration, confirming DI. Since this occurred after trauma, it is likely neurogenic DI caused by damage to the posterior pituitary or hypothalamus. Damage to the adrenal cortex, proximal tubule, or collecting duct would not cause DI.A: Posterior pituitary 