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': 'Regarding Genome therapy all are true except \nSelect and explain. \nA. Gene also considered as drug, B. Has been tried in cystic fibrosis, C. It is used for cloning, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]