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: Pediatrics
Serum glucose levels in children > 2 months with hypoglycaemia is ? 
Select and explain. 
A. < 40 mg/dL, B. < 45 mg/dL, C. < 50 mg/dL, D. < 54 mg/dL
D: < 54 mg/dL
Answer: D: < 54 mg/dL 
Explanation: None