An application uses an Amazon RDS MySQL DB instance. The RDS database is becoming low on disk space. A solutions architect wants to increase the disk space without downtime. Which solution meets these requirements with the LEAST amount of effort?

• AEnable storage autoscaling in RDS
• BIncrease the RDS database instance size
• CChange the RDS database instance storage type to Provisioned IOPS
• DBack up the RDS database, increase the storage capacity, restore the database, and stop the previous instance