This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital Infections, Subject name: Pediatrics
[{'content': 'The most common manifestation of congenital toxoplasmosis: \nSelect and explain. \nA. Hydrocephalus, B. Chorioretinitis, C. Hepatosplenomegaly, D. Thrombocytopenia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Characteristic triad of Congenital Toxoplasmosis: Chorioretinitis (most common) Hydrocephalus Cerebral calcifications.', 'role': 'assistant'}]