If a global shortage of oil sends the equilibrium price of gasoline to $$4\mathrm{.}50$a gallon, $\_\_\_\_\_\_$ of gasoline will emerge. The market for gasoline will be$\_\_\_\_\_\_.$

A$.$

a$$ shortage; inefficient because the marginal cost of gasoline exceeds its marginal benefit

B$.$

neither a surplus nor a$$ shortage; efficient

C$.$

a$$ surplus; inefficient because the marginal benefit of gasoline exceeds its marginal cost

D$.$

a$$ shortage: inefficient because the marginal benefit of gasoline exceeds its marginal cost

E$.$

a$$ surplus; inefficient because the marginal cost of gasoline exceeds its marginal benefit