Which of the following class allows to declare only one object of it?

A. class B. struct C. typedef D. interface

A. Encapsulation B. Polymorphism C. Inheritance D. Instantiation

A. The process of creating multiple instances of a class B. The process of hiding the implementation details of a class C. The process of deriving a new class from an existing class D. The process of defining functions within a class

A. protected B. public C. friend D. None of the above