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: Pediatrics
[{'content': 'A child of phenyl ketonuria mother may develop – \nSelect and explain. \nA. Microcephaly, mental retardation, congenital heart disease, B. Mental retardation, cataract, congenital heart disease, C. HydrocephaluS, cataract., D. Microcephaly, cataract, renal dysplasia.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Children born to phenyl ketonuria mothers have following features\n\nMental retardation \xa0 \xa0 \xa0 \xa0 \xa0 \xa0\xa0\nMicrocephaly\xa0\xa0\xa0\xa0\xa0\xa0\nGrowth retardation\xa0\nCongenital heart disease', 'role': 'assistant'}]