Which of the Following Is TRUE with Regard to Sexually

Multiple Choice

Which of the following is TRUE with regard to sexually transmitted infections (STIs) ?

A) STIs are best controlled by the use of withdrawal as a method of contraception.
B) Birth control pills and implants provide adequate protection from STIs.
C) STIs are contracted through vaginal intercourse as well as oral-genital and anal-genital contact.
D) All STIs are bacterial infections that can be treated with penicillin and other antibiotics.