This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
Important clues of diagnosis chronic renal failure(CRF) Except 
Select and explain. 
A. Bilateral contracted kidney, B. Massive proteinuria, C. Osteodystrophy, D. Hypertension
D: Hypertension
Answer: D: Hypertension 
Explanation: D. i.e. (Hypertension) (269 - H17th)SyndromeImportant clues to DiagnosisFindings that are common Azotemia for > 3 monthsProteinuriaCHRONICProlonged symptoms or sign of uremiaCastsRENALSymptoms or sign of renal osteodystrophyPolyuria nocturiaFAILUREKidney reduced in size bilaterallyEdema Hypertension Broad casts in urinary sedimentsElectrolyte disorder.** Normal individuals excrete <150 mg/ day of total protein and < 30 mg / d of albumin** Selective proteinuria occurs in Minimal change disease*** Restless leg syndrome is seen in CRF*** Anemia in CRF is due to eiythropoietin deficiency**Reversible causes of Renal Failure (804 - CMDT - 09)* Infections* Obstructions* ECF volume depletion* Hypokalemia* Hypercalemia* Hyperuricemia* Nephrotoxic agents* Hypertension* CHF