What does SAP backend integrations provide out-of-the-box? (3)

What does SAP backend integrations provide out-of-the-box? (3)
A . Integration with SAP Marketing Cloud
B . SAP ERP integration scenarios
C . SAP Customer Activity Repository (CAR) integration
D . An additional package for the integration with SAP CRM
E . SAP S/4HANA integration scenarios

Answer: A,B,C