In the SsRNA Phage MS2, the Maturation Protein Is Only

In the ssRNA phage MS2, the maturation protein is only produced after which of the following events occurs?

A) The synthesis of the negative strand of the viral genome.
B) The synthesis of the positive strand of the viral genome.
C) Packaging of the viral genome into new capsids.
D) Translation of the coat protein.
E) Folding of the newly synthesized genome into the stable secondary structure.