General Medicine General 0ea5ccbe A 40-year-old woman presents with progressive palmoplantar pigmentation. X-ray spine shows calcification of IV disc. On adding benedicts reagent to urine, it gives greenish brown precipitate and blue-black supernatant fluid. What is the diagnosis? A Phenyl ketonuria B Alkaptonuria C Tyrosinemia type 2 D Argininosuccinic aciduria