Primary Herpetic Gingivostomatitis Is Significant to the Dental Hygienist Because

Primary herpetic gingivostomatitis is significant to the dental hygienist because:

A) The disease resembles aggressive forms of gingival and periodontal disease.
B) The disease resembles NUG, and its presentation includes punched out papillae.
C) Herpesvirus is contagious at the "active" stage of the disease, during which treatment should be deferred.
D) Herpesvirus is less contagious at the "dormant" stage of the disease, during which the patient can be treated.