What should you do first?

You have a server named Server1 that runs Windows Server 2016.
The disk configuration for Server1 is shown in the exhibit. (Click the Exhibit button.)

You add Server1 to a cluster.
You need to ensure that you can use Disk 1 for Storage Spaces Direct. What should you do first?
A. Set Disk 1 to offline.
B. Convert Partition (E:) to ReFS.
C. Convert Disk 1 to a dynamic disk.
D. Delete Partition (E:).