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': 'All are true about propofol except: \nSelect and explain. \nA. Causes vomiting, B. Has rapid recovery rate, C. Used for induction and maintenance of anesthesia, D. Cause sedation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]