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': 'Terminal component of clasp end is shaped as: \nSelect and explain. \nA. Long, B. Stop, C. Finger, D. Arm', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]