A nurse is teaching a group of clients about sexually transmitted infections. Which of the following client statements indicates an understanding of the teaching?

A. There is no vaccine for hepatitis C; vaccines exist for hepatitis A and B. B. Syphilis can be cured effectively with penicillin, especially in early stages. C. Gonorrhea can be treated and cured with appropriate antibiotics. D. Genital herpes simplex virus is a viral infection and cannot be cured with antibiotics; antiviral medications manage symptoms.