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: Dental
[{'content': 'A child has to be given premedication for behaviour\nmodification, which is the most preferred route? \nSelect and explain. \nA. Oral, B. Intravenous, C. Intramuscular, D. Intramucosal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]