Is it possible to extend SAP HANA EIM with custom adapters?

Is it possible to extend SAP HANA EIM with custom adapters?
A . No, this is not necessary because all existing sources can already be accessed via SAP HANA EI
C . Yes, you can use enhancement spots via the ODP framework to extend SAP ERP extractors.
D . No, custom code is a potential security risk and therefore not allowed.
E . Yes, SAP HANA smart data integration offers an adapter AP

Answer: D