If a Nation Protects an Industry Because It Believes That

If a nation protects an industry because it believes that there are positive externalities in the production process, it is asserting that the free market will

A) produce less than is optimal from society's point of view.
B) produce more than is optimal from society's point of view.
C) produce the correct amount but charge too high a price.
D) produce the correct amount but charge too low a price.