This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
[{'content': 'This can be used for securing the airway of a patient in all of the following conditions except <img src=" /> \nSelect and explain. \nA. In a difficult intubation, B. In cardiopulmonary resuscitation, C. In a child undergoing an elective/routine eye surgery, D. In a patient with a large tumor in the oral cavity', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]