I think that the answer is c, ridges!
The answer is B. Lake Victoria. If you look at a physical map of Africa, you will get this answer. The Great Rift Valley is through the center of Djibouti. The Indian Ocean is east of INDIA, not even close to Africa. I hope this helps!
Madagascar is the 4th largest island in the world.
The funding for their weapons and army might need to be cut so they can rebuild what the monsoon had destroyed