This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gall Bladder & Bile Ducts, Subject name: Surgery
[{'content': 'True statement about gallstones are all except: \nSelect and explain. \nA. Lithogenic bile is required for stone formation, B. May be associated with carcinoma gallbladder, C. Associated with diabetes mellitus, D. More common in males between 30-40 years of age', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) More common in males between 30-40 years of ageDiabetes mellitus and Gall stones:* Diabetes though not a direct risk factor for gall stones- the following factors in diabetes may increase the chance of getting Gall stones:# Increased Bile Cholesterol# Poor GB motility# Decreased Bile Acids', 'role': 'assistant'}]