You need to ensure that the current state of VM1 is contained in a single virtual hard disk file

Your network contains a Hyper-V host named Server1 that runs Windows Server 2012 R2.
Server1 hosts a virtual machine named VM1 that runs Windows Server 2012 R2.
You create a checkpoint of VM1, and then you install an application on VM1.You verify that
the application runs properly.
You need to ensure that the current state of VM1 is contained in a single virtual hard disk
file.
The solution must minimize the amount of downtime on VM1.
What should you do?

A.
From a command prompt, run dism.exe and specify the /delete-image parameter.

B.
From a command prompt, run dism.exe and specify the /commit-image parameter.

C.
From Hyper-V Manager, delete the checkpoint.

D.
From Hyper-V Manager, inspect the virtual hard disk.