The correct option is C Syphilis, Gonorrhoea
Bacterial STIs:
(a) Syphilis: Treponema pallidum
(b) Gonorrhoea: Neisseria gonorrhoeae
Viral STIs:
(a) AIDS: Human immunodeficiency virus
(b) Hepatitis-B: Hepatitis-B virus
(c) Genital herpes: Herpes simplex virus type-II
(d) Genital warts: Human papilloma virus