The correct option is C public accountability & state control
Public enterprises are autonomous or semi-autonomous corporations and companies established, owned and controlled by the state and engaged in industrial and commercial activities. The key elements of public enterprises are state control and Public accountability. These are managed by the government. In some cases government has started enterprises under its own departments. In other cases, government nominates persons to manage the undertakings. Even autonomous bodies are directly and indirectly controlled by the government departments. The primary aim of state enterprises is to provide service to the society. These enterprises are started with a service motive. A private entrepreneur will start a concern only if possibilities of earning profits exist but this is not the purpose of public enterprises.