During Infection with HIV,a Person Is Said to Undergo Seroconversion

During infection with HIV,a person is said to undergo seroconversion when _____.

A) HIV variants convert from macrophage-tropic to lymphocyte-tropic late in infection
B) anti-HIV antibodies are detectable in their blood serum
C) cellular transcription favors the production of HIV-encoded RNA
D) HIV is transferred from an infected person to an uninfected recipient
E) the initial phase of infection is followed by clinical latency.