A 7-year-old female with no past medical history presents for urinary frequency that began while on a road trip last weekend. She requested bathroom stops at least hourly, so her mother suspects she has a urinary tract infection. The patient appears quiet, thin, and pale. She has lost 13 pounds since her last visit 2 months ago. Results of a clean-catch urinalysis are as follows: Color: yellow (yellow) Appearance: clear (clear) Specific gravity: 1.025 (1.005-1.030) Ph: 6 (5.5-7.5) Blood: negative (negative) Protein: trace (negative) Glucose: 2000 (negative) Ketone: 4 (negative) Nitrite: negative (negative) Leukocyte esterase: negative (negative) Bilirubin: negative (negative) Urobilinogen: <2.0 (<2.0) The clinician orders a random blood glucose, which is 395 mg/dL (normal <200 mg/dL). Which diagnosis is most likely? A. Type I diabetes mellitus B. Urinary tract infection C. Type II diabetes mellitus D. Transient hyperglycemia after high-dose glucocorticoid