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: Pathology
[{'content': 'Most impoant growth factors in angiogenesis ? \nSelect and explain. \nA. PDGF, B. TGF alpha, C. TGF beta, D. Ang I', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd i.e., Ang I", 'role': 'assistant'}]