This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb bones and muscles (proximal region) & Scapular movements, Subject name: Anatomy
[{'content': 'Boundaries of quadrilateral space include all EXCEPT \nSelect and explain. \nA. Teres major, B. Long head of triceps, C. Neck of humerus, D. Deltoid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The quadrangular space is bounded by superiorly teres minor inferior teres major medial triceps laterally humerus', 'role': 'assistant'}]