The correct answer is:
a. was completed in 2003
It was started in 1990, and run until 2003 (so we know that the first answer is correct and the second isn't). It provided a big amount of important information, but it' didn't allow anyone to alter their appearance, as this is not something that can be achieved via genetics.
True. Having HIV connotes gay sex or sex with prostitutes. Both of these types of sex are stigmatized heavily. STDs in general stigmatized, but HIV is especially taboo.
