What must you do to implement SAP Build Work Zone, advanced edition in a multi-tier landscape?

What must you do to implement SAP Build Work Zone, advanced edition in a multi-tier landscape?
A . Create multiple sites within a single subscription.
B. Create multiple subscriptions in an SAP BTP subaccount.
C. Create multiple services instances in an SAP BTP subaccount
D. Create subscriptions in separate SAP BTP subaccounts.

Answer: C