Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.
Fun quiz. I think that Cotonou is the seat of government in Benin and the Capital is Porto Novo. So I would suggest that Conakry is the right answer to the C question.
I was a bit confused on which one to put here but I decided on capital cities accepted by JetPunk and Cotonou is included on Quizmaster's Capital Cities of all 196 countries quiz.