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: Biochemistry
[{'content': 'Abzyme is an \nSelect and explain. \nA. Isoenzyme, B. Allosteric enzyme, C. Abnormal enzyme, D. Antibody with a catalytic activity', 'role': 'user'}, {'content': 'Answer: D \nExplanation: It has also become possible to produce hybrid enzymes by rearrangement of genes. Another innovative approach is the production of abzymes or catalytic antibodies, the antibody enzymes\u200b.', 'role': 'assistant'}]