How should an Architect design the data migration solution to meet this requirement?

Universal Containers (UC) is planning to move away from legacy CRM to Salesforce. As part of one-time data migration, UC will need to keep the original date when a contact was

created in the legacy system.

How should an Architect design the data migration solution to meet this requirement?
A . After the data is migrated, perform an update on all records to set the original date in a standard CreatedDate field.
B. Create a new field on Contact object to capture the Created Date. Hide the standard CreatedDate field using Field -Level Security.
C. Enable "Set Audit Fields" and assign the permission to theuser loading the data for the duration of the migration.
D. Write an Apex trigger on the Contact object, before insert event to set the original value in a standard CreatedDate field.

Answer: C