You need to migrate a 1 TB PostgreSQL database from a Compute Engine VM to Cloud SQL for PostgreSQL. You want to ensure that there is minimal downtime during the migration. What should you do?

A. Export the data from the existing database, and load the data into a new Cloud SQL database. B. Use Migrate for Compute Engine to complete the migration. C. Use Datastream to complete the migration. D. Use Database Migration Service to complete the migration.