Which of the Following Best Summarizes Australian History Before the Arrival

Which of the following best summarizes Australian history before the arrival of outside forces in the late eighteenth century?

A) Though more slowly than in Afroeurasia or the Americas, native Australians were constantly innovating and exchanging ideas among one another.
B) Because of their isolation from the rest of the world, native Australians developed completely differently from the rest of the world.
C) Virtually no change can be discerned among native Australians from the time they settled the continent until the modern era.
D) Despite their isolation from the rest of the world, native Australians adopted many of the same practices as other early human civilizations in Afroeurasia and the Americas.