Human herpesvirus 6 (HHV-6) has the following characteristics, except

A)it replicates in T-lymphocytes, macrophages, and salivary gland tissue.
B)it causes roseola in infants.
C)it appears as a mononucleosis-like illness in adults.
D)it causes Kaposi's sarcoma.
E)it is transmitted by saliva.