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: Anatomy
[{'content': 'Which of the following structure is present in posterior axillary wall? \nSelect and explain. \nA. Thoracodorsal aery, B. Long thoracic nerve of bell, C. Subscapular aery, D. Axillary aery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Subscapular aery', 'role': 'assistant'}]