What is the recommended approach to re-run the test?

Universal Containers has successfully migrated 50 million records into five different objects multiple times in a full copy sandbox. The Integration Engineer wants to re-run the test again a month before it goes live into Production.

What is the recommended approach to re-run the test?
A . Truncate all 5 objects quickly and re-run the data migration test.
B . Refresh the full copy sandbox and re-run the data migration test.
C . Hard delete all 5 objects’ data and re-run the data migration test.
D . Truncate all 5 objects and hard delete before running the migration test.

Answer: B