This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
[{'content': 'The total fluid secreted by the salivary gland, stomach, and intestine in a day is \nSelect and explain. \nA. 3000ml, B. 4000ml, C. 5000ml, D. 6000ml', 'role': 'user'}, {'content': "Answer: C \nExplanation: Daily water turnover in the GITIngested2000Endogenous secretions7000Salivary glands1500Stomach2500Bile500Pancreas1500Intestine1000Total Input9000Reabsorbed8800Jejunum5500Ileum2000Colon1300Balance in stool200Reference: Ganong's review of Medical Physiology, 25th ed, Page: 464", 'role': 'assistant'}]