Concept:A government subvention is a direct financial grant or aid given by the government to support an enterprise, and public corporations mainly rely on such subvention for their daily operations.
Explanation:Public corporations are wholly or partly owned by the government.
They often provide essential services that are not profitable enough to survive on their own.
Therefore, they depend on government subventions to cover their running costs and stay operational.
Public limited liability companies, co-operative societies, and private limited liability companies usually raise funds from shareholders, members, or private investors instead.
Answer:A. public corporation