According to Elinor Ostrom's View of the Tragedy of the Commons

According to Elinor Ostrom's view of The Tragedy of the Commons:

A) The only way to prevent the collapse of the commons is government intervention.
B) The only way to prevent the collapse of the commons is to privatize the commons so that it is owned by a single individual.
C) Individuals will create institutions to prevent the collapse of the commons.
D) Individuals will use the commons beyond the socially efficient point.