Four of the Following Are Characteristics of Viruses

Multiple Choice

Four of the following are characteristics of viruses.Which one is the exception?  

A) The outer coats of all viruses are alike.
B) The virus contains either DNA or RNA at its core, but not both.
C) Viruses infect organisms in all three domains of life.
D) Most viruses have a protein coat or covering.
E) Viral envelopes consist of host cell membrane.