In the picornavirus genome, there are several A nucleotides found at the 3' end of both the positive and negative sense strands.How are these A nucleotides used in replication of the RNA genome?

A) They function as the poly A tail for translation of both strands.
B) They provide energy for the RNA-dependent RNA polymerase.
C) They allow the genome strands to be easily separated.
D) They basepair with the U nucleotide bound to the VPg protein.
E) All of the above are correct.