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: Pharmacology
[{'content': 'Prolonged use of hydralazine for the treatment of hypertension is likely to cause: \nSelect and explain. \nA. Gynaecomastia, B. Thrombocytopenia, C. Hemolytic anemia, D. Lupus erythematosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]