The correct option is C Papilloma virus
Genital warts are one of the most common kinds of STDs (sexually transmitted diseases). A genital wart is an infection of the skin, in genital or anal area, as well as the mucous membranes of the rectum, cervix and vagina. It is caused by various types of the human papilloma virus (HPV), that affects the upper layer of the skin. Genital warts are contagious projecting warty growths on the external genitals or at the anus due to sexual contact with infection from the person who has human papilloma virus. Genital warts may exist on the vulva, cervix, upper thighs, inside the vagina, on the anus, and inside the anus in the case of women and genital warts may exist on the penis, scrotum, urethra, upper thighs, on the anus, and inside the anus in the case of men.