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': 'Alemtuzumab is antibody against \nSelect and explain. \nA. CD-20, B. VEGF, C. EGFR, D. CD-52', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is'd'i.e., CD-52", 'role': 'assistant'}]