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': 'The HLA important in IDDM is -. \nSelect and explain. \nA. HLA-A3, B. HLA-B27, C. HLA-DR3/DR4, D. HLA-W1', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 95% of IDDM (Type I Diabetes Mellitus) patients express either HLA DR3\xa0or HLA DR4\xa0or the heterozygous DR3\xa0/\xa0DR4\xa0configuration.\xa0\nNo HLA association is seen with Type II Diabetes mellitus or NIDDM.', 'role': 'assistant'}]