【单选题】The French highly value domestic production of traditional French cheese made by high-cost, traditional production methods. According to the specificity rule, the most efficient policy tool to protect...
A.
to provide a production subsidy to the domestic firms.
B.
to impose an import tariff on cheeses produced in other countries.
C.
. to impose an import ban on cheeses produced in other countries.
D.
. to eliminate all barriers on cheese imports since no protectionist policy would be efficient.