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: Microbiology
[{'content': 'Best means of giving hepatitis vaccine is - \nSelect and explain. \nA. Subcutaneous, B. Intradermal, C. Intramuscular deltoid, D. Intramuscular gluteal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]