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: Pathology
[{'content': 'Disease having autosomal recessive inheritance -a) Cystic fibrosisb)  Hydrocephalusc)  Duchene muscular dystrophyd) Albinisme)  Vitamin D resistant ricket \nSelect and explain. \nA. b, B. ad, C. ac, D. ab', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]