This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CVS Embryology, Subject name: Anatomy
[{'content': 'A 43-year-old house painter fell from a ladder and fractured his left third rib and structures with which it aiculated. Which of the following structures would most likely be damaged? \nSelect and explain. \nA. Manubrium of the sternum, B. Body of the second thoracic veebra, C. Body of the fouh thoracic veebra, D. Spinous process of the third thoracic veebra', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The third rib aiculates with the body of the sternum, bodies of the second and third thoracic veebrae, and transverse process of the third thoracic veebra.', 'role': 'assistant'}]