Human Papillomavirus (HPV) Infections Are Known to Be a Cause

Human papillomavirus (HPV) infections are known to be a cause of cervical cancer.In most cases,HPV goes away on its own and does not cause any health problems.However,the worldwide HPV prevalence in cervical carcinomas is 99.7%.This indicates that HPV-negative carcinoma is extremely uncommon.In this case,HPV is which of the following?

A) A necessary and sufficient cause
B) A necessary but not sufficient cause
C) A sufficient but not necessary cause
D) Neither necessary nor sufficient
E) None of the above