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 a monoclonal antibody against PD-L1 ? \nSelect and explain. \nA. Golimumab, B. Guselkumab, C. Durvalumab, D. Vedolizumab', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Avelumab &\xa0Durvalumab\xa0 are\xa0monoclonal antibody against PD-L1', 'role': 'assistant'}]