In the Tuskegee syphilis experiments, what information did researchers keep from their subjects about their illnesses? A. They were told they had a rare form of syphilis. B. They were not treated for or told they had cancer. C. They were told they had a sexually transmitted infection. D. They were not treated for or told they had syphilis. Please select the best answer from the choices provided A B C D

the correct answer is 4 (giveaways to the public)

something that is given away or gave out for free. an occasion at which things are given away to free. something that is evident or obvious; something that uncovers a mystery.

it could be be in a form of a lucky draw as well. these the company events gather more audience for their pr and it also increases their ratings as well. this is a way to attract more customers towards themselves.

what are the options that have to match them to?