SV40 induces the infected cell to enter the S phase of the cell cycle.What purpose does this serve for the virus?

A) The virus requires the breakdown of the nuclear envelope.
B) The virus requires the cellular splicing enzymes present during S phase.
C) The virus requires transcription factors made during S phase.
D) The virus requires the RNA polymerase II only present during S phase.
E) The virus requires the DNA replication enzymes made during S phase.