Which statement correctly describes the status of the old DCBF after the IDB Core Migration?
A. The old DCBF was moved to the new DCBF location and converted to the new DCBF 20 format.
B. The old DCBF remained in the current DCBF location, but was converted to the new DCBF 2.0 format.
C. The old DCBF was moved to the new DCBF location, but not converted to the new DCBF 2.0 format.
D. The old DCBF remained in the current DCBF location and was not converted to the new DCBF 2.0 format.