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': 'True about toxoplasmosis is all except \nSelect and explain. \nA. In adults toxoplasmosis is usually asymptomatic, B. IgG antibodies are diagnostic in Congenital toxoplasmosis, C. Is a antroponotic disease, D. Encephalitis is uncommon(rare) in immunocompetent individuals', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]