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: Dental
[{'content': "A 10 years old female patient diagnosed as a case of\ndown's syndrome having mosaicism variety.\n\nThe syndrome is usually associated with \nSelect and explain. \nA. Congenital heart lesions, B. Respiratory disorders, C. Endocrinal abnormalities, D. Cleft lip and Palate", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]