How is database storage handled by SAP Master Data Governance (MDG) using the reuse mode? There are 2 correct answers to this question.

How is database storage handled by SAP Master Data Governance (MDG) using the reuse mode? There are 2 correct answers to this question.
A . Active data sets are held in the SAP MDG staging area also after change request activation.
B . Tables defined in the SAP MDG data model store the active data.
C . Existing ERP structures are used.
D . Active data sets are removed from the SAP MDG staging area after change request activation.

Answer: C,D