B. HSV
Did you know? Genital herpes is actually one of the most common STD's in the u.s.a and It is caused by the herpes simplex virus, which is HSV
Human papilloma virus (HPV) left untreated can lead to cervical cancer.
There is now a HPV vaccine that can be used to prevent the disease & cancer.
The answer here is B they are each made of matter. some are compounds, and some are elements they all contain Atoms this is because Silver and Oxygen are elements while Carbon Dioxide and Water are compounds. Although you do not have the choices down, I have come across this question before.