Which of the following about virtual machine migration is wrong?

Which of the following about virtual machine migration is wrong?
A . Virtual machine migration refers to manually migrating virtual machines to different hosts. Under data storage, offline migration and online migration are supported.
B . Virtual machine migration includes changing the host, changing the storage, changing the host and storage
C . When the virtual machine only changes the host, the destination host must be able to access the image file of the virtual machine.
D . Changing the host and storage means migrating the virtual machine to another host and migrating the virtual machine image file to other storage on the host. Only offline migration is supported.

Answer: D