This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrine System, Subject name: Physiology
A man eats a low-carbohydrate meal that is rich in proteins containing the amino acids that stimulate insulin secretion. Which response accounts for the absence of hypoglycemia? 
Select and explain. 
A. Suppression of GH, B. Suppression of somatomedin C secretion, C. Stimulation of coisol secretion, D. Stimulation of glucagon secretion
D: Stimulation of glucagon secretion
Answer: D: Stimulation of glucagon secretion 
Explanation: Consumption of amino acids stimulates both GH and glucagon secretion. Increased glucagon secretion tends to increase blood glucose concentration and thus opposes the effects of insulin to cause hypoglycaemia