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': 'Single Sitting RCT is indicated in all except? \nSelect and explain. \nA. An anterior single rooted tooth where esthetics is of more concern, B. In a patient who require sedation for the management of involved tooth, C. Severe anatomic & procedural difficulty, D. Tooth with pulpal exposure because of trauma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]