单项选择题

A.Two HBAs assigned to each redundant VIOS which provides VSCSI access to LUNs
B.Two HBAs assigned to each LPAR with each LPAR owning HBAs on the same PCI busses
C.Two HBAs assigned to each LPAR with each LPAR owning HBAs on separate PCI busses
D.One HBA assigned to each LPAR and two HBAs assigned to a VIOS providing VSCSI access to LUNs