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) and scapular movement, Subject name: Anatomy
[{'content': 'The accompanying aery with axillary nerve in the quadrangular space is: \nSelect and explain. \nA. Anterior circumflex humeral aery, B. Posterior circumflex humeral aery, C. Profunda brachii aery, D. Circumflex scapular aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Axillary nerve and posterior circumflex humeral aery pass through quadrangular space and then wind around the surgical neck of humerus.', 'role': 'assistant'}]