Most Economists Believe That the Market __________ Produce Nonexcludable Public

Most economists believe that the market __________ produce nonexcludable public goods because of __________.

A) will; the monetary incentive they have to produce them
B) will not; the externality problem
C) will not; the free rider problem
D) will; the market shortage that often accompanies the production of public goods.
E) none of the above