How Can an EBS Volume That Is Currently Attached to an EC2

Multiple Choice

How can an EBS volume that is currently attached to an EC2 instance be migrated from one Availability Zone to another?

A) Simply create a new volume in the other AZ and specify the original volume as the source.
B) Detach the volume, then use the ec2-migrate-volume command to move it to another AZ.
C) Create a snapshot of the volume, and create a new volume from the snapshot in the other AZ.
D) Detach the volume and attach it to another EC2 instance in the other AZ.