An Administrator Notices That Most of the VMs in the Cluster

An administrator notices that most of the VMs in the cluster are on one host. Users report that an application seems to respond slowly. The application server VM has significantly more memory assigned to it than other VMs. How should the administrator fix this issue?

A) Migrate the VM to a different host.
B) Add more memory to the VM.
C) Increase the memory on the CVM.
D) Reduce the amount of memory assigned to the VM.