Which of the Following Statements Is an Accurate Descriptor of the Role

Which of the following statements is an accurate descriptor of the role of viruses in human infections?

A) Viruses have no genetic material of their own.
B) Some viruses are capable of transforming normal host cells into malignant cells.
C) Viruses are often implicated in cases of transmissible neurodegenerative diseases.
D) Viruses require stimulation after a latent period before they are able to produce symptoms.