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
[{'content': "Which of the following is true regarding chickenpox \nSelect and explain. \nA. CNS complications are seen, B. Reye's syndrome can occur, C. Prevented by giving immunoglobulins, D. All the above", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]