What should you do first?

You have an Azure tenant that contains two subscriptions named Subscription1 and Subscription2.
In Subscription1, you deploy a virtual machine named Server1 that runs Windows Server 2016. Server1 uses managed disks.
You need to move Server1 to Subscription2. The solution must minimize administration effort.
What should you do first?
A. In Subscription2, create a copy of the virtual disk.
B. From Azure PowerShell, run the Move-AzureRmResource cmdlet.
C. Create a snapshot of the virtual disk.
D. Create a new virtual machine in Subscription2.