A 30-year-old man is diagnosed with HIV infection. His CD4 count is 420 cells/mm³ and viral load is 80,000 copies/mL. He is asymptomatic. What is the most appropriate timing for starting antiretroviral therapy?AStart antiretroviral therapy immediately regardless of CD4 countBWait until CD4 count falls below 200 cells/mm³COnly treat if he develops an AIDS-defining illnessDWait until viral load exceeds 500,000 copies/mLEDelay treatment for at least 12 months to assess disease courseCheck my answer