What animals are regarded as Australia's national fauna?

What animals are regarded as Australia's national fauna?
A、Koalas and possums
B、Emus and kangaroos
C、Echidnas and platypuses
D、Budgerigars and cockatoos
【正确答案】：B
【题目解析】：鸸鹋和袋鼠被认为是澳大利亚的国家动物。