阅读下列短文，从每题所给的四个选项（a、b、c和d）中，选出最佳选项。
welcome to australia
the great outdoors
australia is the world’s oldest continent and indigenous australians have one of the world’s oldest culture．
in australia you will see unique plants and animals and some of the most beautiful scenery in the world．many parks have information centres offering advice on where to go, what to see and how to see it--for both your persona
