When Comparing Gonorrhea and Syphilis to Genital Herpes, Which of the Following

When comparing gonorrhea and syphilis to genital herpes, which of the following statements is valid?

A) All three STDs can be cured through the use of penicillin.
B) Of the three STDs, genital herpes cannot be cured.
C) All three STDs are life threatening.
D) All three STDs create a painful rash on the genitals.