This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
[{'content': 'All are major feature of AIDS except - \nSelect and explain. \nA. Fever > 1 month, B. Diarrhea > 1 month, C. Loss of> 10% of Body Wt., D. Cough > 1 month', 'role': 'user'}, {'content': "Answer: D \nExplanation: Clinical features of primary infection in AIDS include fever,maculo papular rash,pharyngitis ,lymphadenopathy,myalgia,ahralgia,diarrhea ,headache,loss of weight,oral & genital ulceration,mwningo-encephalitis ,Bell's palsy. Cough for more than 1 month is a characteristic of tuberculosis . Reference: Harrison20th edition pg 778", 'role': 'assistant'}]