This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'In a chronic diabetes mellitus individual which vaccine can you give - \nSelect and explain. \nA. Meningococcal and pneumococcal at recommended interval and influenza vaccine annually, B. Meningococcal and tetanus at recommended interval and hepatitis B vaccine annually, C. Tetanus and pneumococcal at recommended interval andinfluenza vaccine annually, D. Meningococcal and pneumococcal at recommended interval and hepatitis vaccine annually', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Recommended vaccines for diabetes patients Ref - pubmed.com', 'role': 'assistant'}]