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: Surgery
[{'content': 'Which one of the following veins should be avoided for intravenous infusion in the managment of abdominal trauma - \nSelect and explain. \nA. Cubital, B. Cephalic, C. Long saphenous, D. External jugular', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]