A topographic map of Southern Africa with labels A, B, C, D, E, and F. A is a river through the Congo. B is a lake near Uganda and Kenya. C is a lake on the border of Tanzania. D is a river near Zambia and Zimbabwe. E is a lake near Malawi. F is an island in the Indian Ocean. Image by Tom Patterson and Eric Gaba

On the map above, what is the name of landform F?
A.
the Great Rift Valley
B.
the Horn of Africa
C.
the island of Madagascar
D.
the Sahel

Please select the best answer from the choices provided
A
B
C
D