单项选择题

What is an advantage of IBM SAN Volume Controller （SVC） virtualization over an HP EnterpriseVirtual Array virtualization？（）

A.SVC supports more RAID levels than HP EVA
B.SVC has a broader worldwide installation base than HP EVA
C.SVC provides SAN virtualization within the storage area network
D.SVC is an IBM virtualization solution for IBM disks in an HP EVA

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