The correct answer is A. polymorphism.
Polymorphism is the ability of an object to take on many forms. In object-oriented programming, polymorphism allows objects to be used in different ways depending on their type. For example, a Shape object can be used to represent a circle, a square, or a triangle. The draw() method of the Shape object can be implemented differently for each type of shape.
B. polygamy is the practice of having multiple spouses.
C. inheritane is the process of one object acquiring the properties and methods of another object.
D. multitasking is the ability of a computer to run multiple programs at the same time.