Concept:Privatization helps public corporations become more efficient by handing them over to private owners.Explanation:Public corporations in Nigeria often suffer from inefficiency due to excessive government control and lack of competition.Privatization means transferring government‑owned enterprises to private shareholders, including individuals and corporate bodies.Private owners are profit‑driven, so they reduce waste, improve management, and increase productivity.Therefore, privatization is the most effective way to achieve efficiency in public corporations.Answer:C. privatization