What will happen when introduce the interface of classes in a run-time polymorphic hierarchy?

Merging of interface from implementation

Separation of interface from implementation

Separation of interface from debugging

What will happen when introduce the interface of classes in a run-time

1.	What will happen when introduce the interface of classes in a run-time polymorphic hierarchy?
A.	Separation of interface from implementation
B.	Merging of interface from implementation
C.	Separation of interface from debugging
D.	None of the mentioned
Answer» B. Merging of interface from implementation