How can you extend an SAP Fiori app? (3 answers)

How can you extend an SAP Fiori app? (3 answers)
A . Enable merging of the standard and the custom controller at runtime
B . Modify the data model to merge data at runtime
C . Modify the runtime libraries that are to be loaded
D . Add customer view content in a predefined extension point
E . Modify the properties of the view control

Answer: A,D,E