Answer:
D. Commercial building
Explanation:
Real property refers to land and all properties or structures that is fixed to the land or built on the land. They are immovable properties that are attached to or integrated with the land permanently.
Commercial building is an example of real property. Other examples of real properties are machinery, ponds etc. They are fixed.
Vehicles are tangible items that are classified as personal properties.
Stocks and bonds, and patents are intangible items that are also classified as personal properties.