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: Pathology
Normal serum, Ca and alkaline PO4 are in 
Select and explain. 
A. Cherubisnri, B. Hypothyroidism, C. Hyperparathyroidism, D. Paget's disease
A: Cherubisnri
Answer: A: Cherubisnri 
Explanation: None