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: Social & Preventive Medicine
[{'content': 'A study is conducted to assess the risk of acquiring a severely debilitating disease over a 1- year study period. Only males are susceptible to the disease, which can be diagnosed using 4 basic clinical criteria. In a population of 100,000 people. 10 men met all the criteria. An additional 90 men demonstrated mild symptoms but failed to meet the full criteria. \nAssuming a male:female ratio of 1:1 in this population, which of the following is the male risk of being diagnosed with this disease? \nSelect and explain. \nA. 0.01%, B. 0.02%, C. 0.20%, D. 0.40%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]