Concept:A landlocked country has no direct access to the sea or ocean.Explanation:Burkina Faso, formerly called Upper Volta, is surrounded entirely by other countries in West Africa.It has no coastline or seaport, so it is a landlocked nation.Guinea, Nigeria, and Ghana all border the Atlantic Ocean, so they are not landlocked.Thus, the correct landlocked country among the options is Burkina Faso.Answer:Burkina Faso (Option A).