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: Medicine
[{'content': 'Which of the following is the common extrarenal involvement in autosomal dominant polycystic kidney disease - \nSelect and explain. \nA. Mitral valve prolapse, B. Hepatic cysts, C. Splenic cysts, D. Colonic diverticulosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]