When the Tuskegee Study Started in 1929-1932, It Is True

When the Tuskegee study started in 1929-1932, it is true that:

A) Poor African American men were given syphilis to study the natural history of this disease.
B) Penicillin was deliberately withheld from 399 poor African American men to study the natural course of syphilis.
C) Some African American men were paid to contract syphilis.
D) Informed consent was a standard of the time.
E) The goal of the charity that first identified the men with syphilis was to treat them.