Your organization has a production Cloud SQL for MySQL instance. Your instance is configured with 16 vCPUs and 104 GB of RAM that is running between 90% and 100% CPU utilization for most of the day. You need to scale up the database and add vCPUs with minimal interruption and effort. What should you do?

A. Issue a gcloud sql instances patch command to increase the number of vCPUs. B. Update a MySQL database flag to increase the number of vCPUs. C. Issue a gcloud compute instances update command to increase the number of vCPUs. D. Back up the database, create an instance with additional vCPUs, and restore the database.