When creation of an EBS snapshot Is initiated but not completed the EBS volume?

When creation of an EBS snapshot Is initiated but not completed the EBS volume?
A . Cannot De detached or attached to an EC2 instance until me snapshot completes
B . Can be used in read-only mode while me snapshot is in progress
C . Can be used while me snapshot Is in progress
D . Cannot be used until the snapshot completes

View Answer

Answer: C

Explanation:

http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-copy-snapshot.html