A Solutions Architect Needs to Ensure That All Amazon Elastic

A solutions architect needs to ensure that all Amazon Elastic Block Store (Amazon EBS) volumes restored from unencrypted EBC snapshots are encrypted. What should the solutions architect do to accomplish this?

A) Enable EBS encryption by default for the AWS Region.
B) Enable EBS encryption by default for the specific volumes.
C) Create a new volume and specify the symmetric customer master key (CMK) to use for encryption.
D) Create a new volume and specify the asymmetric customer master key (CMK) to use for encryption.