Which features of the SAP Business Application Studio help you extend a standard SAP Fiori app? Note: There are 2 correct answers to this question.

Which features of the SAP Business Application Studio help you extend a standard SAP Fiori app? Note: There are 2 correct answers to this question.
A . A wizard to generate the files for each extension possibility
B . The Extensibility Pane to choose extension points
C . An editor to modify the data model in the extended project
D . The Descriptor Editor to choose elements for extension

Answer: A, B