This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'True about dietary fibres \nSelect and explain. \nA. Increase stool transit time, B. Decrease post prandial glucose, C. Decrease bile salt reabsorption, D. Decrease LDL cholestrol', 'role': 'user'}, {'content': "Answer: B \nExplanation: Dietary fibres exhibits laxation,blood cholestrol attenuation,blood glucose attenuationREF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-567.", 'role': 'assistant'}]