问题：

[单选]

A customer has an entry level Power System that is currently partitioned and managed by a Hardware Management Console （HMC）. For operational reasons， it must be disconnected from the HMC and configured as a new development system.
 How should the customer proceed to implement PowerVM Express and Integrated Virtualization Manager （IVM） on this Power System？ （）

A .  Install a VIO server as an additional partition and DLPAR the resources from the existing partition to the VIO server.
B .  Create a service partition and install a VIO server. This will automatically move resources to the VIO server on reboot of the managed system.
C .  Delete all the existing LPARs， create a new LPAR and assign all the system resources to this LPAR and then install the VIO server on this LPAR.
D .  Reset the machine to Manufacturing Default Configuration and install the VIO server on the resulting partition created， which will own all system resources.