Which reason for an import control allows a country to develop a potential comparative cost advantage in a particular good?

Which reason for an import control allows a country to develop a potential comparative cost advantage in a particular good?

• ক. a tariff that improves an industry's terms of trade
• খ. a short-term tariff that protects an infant industry
• গ. a quota that protects jobs in a depressed region
• ঘ. an embargo on goods with negative externalities