Answer:
The correct answer is a. Human papillomavirus
Step-by-step explanation:
Human papillomavirus is the most common STI according to the center for disease control and prevention. It can pass from one people to another people from skin contact. They are responsible for causing condylomata( genital warts) in the patients.
The genital HPV infection is mostly caused by direct sexual contact with the infected person. HPV infection later can cause cancers like cervical cancer, genital cancer, throat cancer, etc if not treated properly.
Therefore students demonstrate an understanding of the material when they identify human papillomavirus as a cause of condylomata.