Your company wants to migrate their 10-TB on-premises database export into Cloud Storage. You want to minimize the time it takes to complete this activity, the overall cost, and database load. The bandwidth between the on-premises environment and Google Cloud is 1 Gbps. You want to follow Google-recommended practices. What should you do? 

Answer options:

A. Develop a Dataflow job to read data directly from the database and write it into Cloud Storage.
B. Use the Data Transfer appliance to perform an offline migration.
C. Use a commercial partner ETL solution to extract the data from the on-premises database and upload it into Cloud Storage.
D. Compress the data and upload it with gsutil -m to enable multi-threaded copy.

A