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: Biochemistry
Which among the following is not a cause of hypoglycaemia? 
Select and explain. 
A. Glucagon excess, B. Glucose 6 phosphatase deficiency, C. Uremia, D. Glycogen synthase deficiency
A: Glucagon excess
Answer: A: Glucagon excess 
Explanation: None