<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 46-year-old man comes to the emergency department because of sharp pain in his left flank that began suddenly 30 minutes ago. Physical examination shows costovertebral angle tenderness on the left side. A photomicrograph of the urine is shown. The patient is most likely to benefit from an increase of which of the following components in the urine?? A: Sodium, B: Citrate, C: Hydrogen, D: Oxalate, E: Phosphate,  <response>: This is a patient with acute onset of left flank pain and costovertebral angle tenderness, which are classic symptoms of renal colic from a kidney stone. The photomicrograph shows crystals in the urine, confirming the presence of crystalsstones. Increasing urinary citrate helps prevent kidney stones by binding calcium and decreasing calcium crystal formation. Sodium, hydrogen, oxalate, and phosphate promote stone formation rather than prevent it.B: Citrate 