Which of the Following Data Would a Clinician Consider as Most

Which of the following data would a clinician consider as most indicative of acute renal failure?

A) Alterations in blood pH; peripheral edema
B) Increased nitrogenous waste levels; decreased glomerular filtration rate (GFR)
C) Decreased serum creatinine and blood urea nitrogen (BUN) ; decreased potassium and calcium levels
D) Decreased urine output; hematuria; increased GFR