What can you use to develop a micro app? Note: There are 2 correct answers to this question

What can you use to develop a micro app? Note: There are 2 correct answers to this question
A . SAP ABAP RESTful programming model
B . SAP HANA extended application services, advanced model
C . SAP HANA extended application services, classic model
D . SAP Cloud Application Programming Model (CAP)

Answer: B,D