A customer has shut down an LPAR after using DLPAR to add or remove processor and memory resources. When the partition is reactivated, the desired changes are missing. What action, or sequence of actions, will immediately and permanently solve this problem?（）
- AAdd or remove the resources in the profile, click 'apply', then 'save'.
- BAdd or remove the resources using DLPAR and change the partition profile.
- CAdd or remove the resources using DLPAR, then shutdown and reactivate the LPAR.
- DAdd or remove the resources in the system profile and reboot the managed system.