This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'All are true about HLA complex except \nSelect and explain. \nA. Class-I antigen are expressed in all nucleated cells and platelets, B. Class-II inducts helper T-cells, C. Class-I is homodimer whereas Class-II is heterodimer, D. Class- I inducts cytotoxic T-cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .', 'role': 'assistant'}]