Q: Fact 1: HIV infects and destroys helper T cells. Fact 2: Helper T Cells Helper T cells are the brains behind immune response. Given the two facts above, what infects and destroys the brains behind immune response?

Available choices:
[A]. feet
[B]. p53
[C]. cancer
[D]. HIV
[E]. acid
[F]. fungus
[G]. HPV
[H]. host
A:
[D].