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: Microbiology
[{'content': 'All of the following are true about amebic liver abscess except: \nSelect and explain. \nA. Trophozoites in stool are essential for clinical diagnosis, B. Mostly asymptomatic, C. More common in males than females, D. Rarely affects brain, eye and skin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. Trophozoites in stool are essential for clinical diagnosis', 'role': 'assistant'}]