The European Spruce Sawflies Pose a Potential Threat to Spruce

The European spruce sawflies pose a potential threat to spruce forests.In order for the Baculoviruses to kill the larva,which of the following must occur first?

A) The viral polyhedra,must be digested to release viral particles.
B) Viral polyhedra must fuse with intestinal cells.
C) Viral particles must enter into the host's nucleus for transcription and replication.
D) Viral particles must be digested by gut proteases.