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: Pharmacology
[{'content': 'Which of the following is most common side effect of zidovudine ? \nSelect and explain. \nA. Anemia, B. Peripheral neuropathy, C. Lactic acidosis, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]