Concept:This question tests knowledge of the official capital cities of African countries.Explanation:Dodoma is the official administrative capital of Tanzania.Dar es Salaam is actually the largest city in Tanzania, but Dodoma is the seat of government.In the same way, Abuja is the official administrative capital of Nigeria.Lagos remains Nigeria's largest city, but it is not the capital.Therefore, the country-to-capital relationship between Dodoma and Tanzania matches Abuja and Nigeria exactly.Answer:A. Abuja