An organization currently uses Veritas Volume Manager （VxVM） and is integrating PowerHA. Which of thefollowing describes how PowerHA supports Veritas volume groups？（）

• A、PowerHA only manages VxVM volume groups by using customized pre- and post-event scripts
• B、PowerHA is tightly coupled with AIX LVM. All volumes groups must be converted to AIX LVM
• C、PowerHA supports VxVM as an OEM volume group type. PowerHA manages the volume group with a limited suite of management tasks
• D、PowerHA supports VxVM as an OEM volume group type. All cluster operations applicable with AIX LVM are also applicable with VxVM