What is the first step to make Ad Hoc reporting available for a customer?

What is the first step to make Ad Hoc reporting available for a customer?
A . Enable Ad Hoc report builder and domain schemas in Provisioning.
B. Enable Table reports by assigning Role Based Permissions.
C. Enable Table reports in Admin Center-> Upgrade Center.
D. Enable Table reports in Admin Center-> Reporting & Analytics.

Answer: A