Fromthevideo，whathaveyougottoknowaboutAustralia？

A.AustraliabelongstoOceania

B.AustralialiesinthesoutheastofAsia

C.AustralialiesentirelywithintheSouthernHemisphere，hencewhichisalsocalledtheLandDownUnder

D.AllofAbove

正确答案：AllofAbove