Concept:Ghana is in West Africa and shares land borders with three countries; its fourth side is the sea.Solution:North: Burkina FasoEast: TogoWest: Côte d'IvoireSouth: the Gulf of Guinea (Atlantic Ocean)Nigeria does not share a border with Ghana; Togo and Benin lie between them.So the country on Ghana's western border is Côte d'Ivoire.Answer:Option A (Côte d'Ivoire)