In the Tuskegee Syphilis Project

In the Tuskegee syphilis project,

A) African American men were purposely infected with syphilis in order to understand how the disease progresses.
B) African American men with syphilis were recruited to be in a study designed to test the effectiveness of current treatments for syphilis.
C) Researchers were interested in understanding how syphilis operated in untreated individuals and so did not allow their sample of infected African American men to receive available treatment.
D) Researchers provided a full debriefing for their participants.