This continent is the smalllest continent in the world. It is composed of only a couple countries. I'm located in the southern hemsphere. While visiting this continent I could go scubba diving in the Great Barrier Reef. If I don't want to visit the Great Barrier Reef, I could go to the Sydney Opra house. This is one of the most famous places in the world.

A. Australia
B. Europe
C. Antarctica