This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': "A 34-year-old woman has Raynaud's phenomenon associated with systemic sclerosis (scleroderma). Which of the following is the most appropriate management for this condition? \nSelect and explain. \nA. amphetamines, B. ergotamine, C. beta-blocking drugs, D. warm clothing", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Surgical sympathectomy usually provides only temporary improvement and does not prevent progression of the vascular lesion. Nifedipine is now the drug of choice for treating symptoms not responding to local warming measures (gloves, mitts) and avoidance of smoking and cold. Reserpine, alpha-methyldopa, and prazosin may also be useful.', 'role': 'assistant'}]