This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
"Rugger Jersay Spine" is seen in: 
Select and explain. 
A. Fluorosis, B. Achondroplasia, C. Renal osteodystrophy, D. Marfan's syndrome
C: Renal osteodystrophy
Answer: C: Renal osteodystrophy 
Explanation: None