Which statement about Virtual Connect FlexFabric stacking is true?
A. The enclosure that has the lowest MAC address for the primary OA module must be selected as the base enclosure.
B. The enclosure OA that has the longest power on state must be assigned as the base enclosure.
C. The enclosure that has the newest OA firmware must be used as the base enclosure.
D. Any enclosure can be selected as the base enclosure.