This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney disorders, Subject name: Pathology
In which of the following conditions bilateral contracted kidneys are characteristically seen? 
Select and explain. 
A. Amyloidosis, B. Diabetes mellitus, C. Rapidly progressive glomerulonephritis, D. Benign nephrosclerosis
D: Benign nephrosclerosis
Answer: D: Benign nephrosclerosis 
Explanation: Benign Nephrosclerosis, Kidneys are either normal or moderately reduced in size on gross appearance. Loss of mass is due mainly to coical scarring and shrinking. In kidneys, the Aeriolar narrowing caused by hyaline aeriosclerosis leads to diffuse vascular compromise and nephrosclerosis ( glomerular scarring ) leading to bilateral contracted kidneys.