Answer:(b)Inheritance
Step-by-step explanation: Object-oriented programming(OOP) is a concept that is for the computer programming that uses objects. It has a feature inheritance ,which is defined as the class that can inherit or acquire the properties of the other class. It is important because it provide properties to be reused .
There are different types of inheritance such as:-
- Multiple inheritance
- Single inheritance
- Hierarchical inheritance
- Hybrid inheritance