Which of the Following Statements About the Integration of the Retrovirus

Which of the following statements about the integration of the retrovirus provirus into the host genome is FALSE?

A) The viral integrase makes a staggered cut in the host cell DNA at the site of integration.
B) During integration, two bases are lost from each end of the viral provirus.
C) Integration results in a 4-6bp direct repeat of the host cell DNA on either side of the provirus.
D) Retroviruses produce an enzyme that can remove the provirus from the cellular genome.
E) Cellular host DNA repair enzymes are involved in the integration process.