Option C: attributes name and operations
Object-oriented design is the process of planning a system of interacting objects for the purpose of solving a software problem. It is one approach to software design
An object contains encapsulated data and procedures grouped together to represent an entity. The 'object interface' defines how the object can be interacted with. An object-oriented program is described by the interaction of these objects. Object-oriented design is the discipline of defining the objects and their interactions to solve a problem that was identified and documented during object-oriented analysis.
https://en.wikipedia.org/wiki/Object-oriented_design