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: Medicine
Type I diabetes mellitus is associated with 
Select and explain. 
A. insulin resistance, B. defect in mitochondrial DNA, C. islet cell autoantibodies, D. beta cell dysfunction
C: islet cell autoantibodies
Answer: C: islet cell autoantibodies 
Explanation: None