单项选择题

A.Upgrade the p690 to a p5 590 server running AIX 5.3
B.Upgrade the p690 server to AIX 5.3 and implement Advanced Power Virtualization
C.Purchase a p5 590 with minimum resources and simply reuse the p690 unused fiber HBA adapters
D.Purchase a p5 590 that has all the needed resources and adapters for Advanced Power Virtualization