The question is asking us which of the following areas is the fourth-largest island in the world and is considered part of the continent of Africa? Let's look at the options: A. Kilimanjaro is a mountain! therefore, it can't be an island B. Madagascar is an island and it's next to Africa - it's the correct answer! C.Mozambique is a country, therefore not an island D.Victoria is a lake, so not an island!