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': 'True about Monoclonal antibody: \nSelect and explain. \nA. Produced by hybridoma technology, B. Used for blood grouping, C. Requires in small quantity, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Produced by hybridoma technology; B i.e. Used for blood grouping; C i.e Requires in small quantity', 'role': 'assistant'}]