Regarding HIV/AIDS, Which of the Following Statements Is FALSE

Regarding HIV/AIDS, which of the following statements is FALSE?

A) Twenty-five percent of HIV-infected individuals are unaware of their infections.
B) Less than five percent of the new HIV infections in the United States are transmitted through heterosexual sex.
C) The HIV virus cannot be transmitted by casual contact, such as social kissing or sharing drinking glasses.
D) Around the world, 35 million people are currently living with HIV/AIDS, of whom about 1.1 million live in the United States.