The pair of cities that isn't like the other options shown is D. Sydney, Brisbane (Australia).
The pattern shown above is to list a famous city in the country and then the country's capital. Ankara is the capital of Turkey and Brasilia is the capital of Brazil.
In Australia's case, Sydney is a famous city but Brisbane is not the capital of Australia. The capital is Canberra.
In conclusion, option D is correct.
Find out more on Australia at https://brainly.com/question/3828250.