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: ENT
[{'content': 'Kemicetine solution does not include \nSelect and explain. \nA. Chloroform, B. Estradiol, C. Propylene Glycol, D. Vitamin D2', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Kemicetine solution has chloramphenicol,Estradiol,Propylene Glycol,Vitamine D2.', 'role': 'assistant'}]