you need to increase the IOPs available to it

You are hosting a MySQL database on the root volume of an EC2 instance. The database is using a large
amount of IOPs and you need to increase the IOPs available to it. What should you do?

A.
Migrate the database to an S3 bucket.

B.
Migrate the database to Glacier.

C.
Add 4 additional EBS SSD volumes and create a RAID 10 using these volumes.

D.
Use Cloud Front to cache the database.