Which Statement About HIV Is Accurate

Which statement about HIV is accurate?

A) Clients who have unprotected anal sex have a lower risk of contracting HIV than those who have vaginal sex.
B) Clients who have unprotected vaginal sex have a lower risk of contracting HIV than those who have oral sex.
C) Clients with other sexually transmitted infections (STIs) have significantly increased risk of HIV infection.
D) Clients who breastfeed their newborns have a very high risk of transmitting HIV to their baby.