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: Medicine
Pneumocystis carini pneumonia prophylaxis is given in -a) If CD4 count < 200mlb) Tuberculosisc) If the viral load is 25,000 copies/mld) Oral candidiasis 
Select and explain. 
A. ad, B. c, C. ac, D. ab
A: ad
Answer: A: ad 
Explanation: None