Step 1: Concept of a company.
A company is a legal entity that is separate from its owners (shareholders). It has the ability to own property, enter into contracts, and be sued in its own name.
Step 2: Features of a company.
A company also has limited liability, which means that the liability of its shareholders is limited to their shareholding. Furthermore, companies are perpetual in nature, meaning they continue to exist even if the shareholders or directors change.
Step 3: Conclusion.
Thus, the correct answer is (D) All of these.
Final Answer:
\[
\boxed{\text{All of these}}
\]