Proteins made by a ribosome reading through the stop codon of a transcript without their own discrete ribosome binding sites

A) are thought to be a primitive mechanism to avoid host defenses.
B) appear most abundant in archaeal viruses and relatively uncommon in bacteriophages.
C) suggest a relatively low level of protein product is essential for the virus due to the rare frequency of these events.
D) create opportunities for viruses to make different capsid proteins.