virus is a major causative agent of cervical cancer.

The correct option is C Human papilloma
Human papilloma virus (HPV) is a major cause of cervical cancer. Cervical cancer is characterised by abnormal vaginal bleeding, difficulty in urinating and foul odour in the vaginal discharges.
HPV is usually sexually transmitted. Vaccinations are available that prevent the HPV infection and are used as a preventive measure.