【单选题】Australia began to assume its modern configuration by the Eocene Epoch, some 50 million years ago, when Antarctica broke away and drifted southward.
A.status
B.sphere
C.shape
D.situation
【单选题】Australia began to assume its modern configuration by the Eocene Epoch, some 50 million years ago, when Antarctica broke away and drifted southward.
A.status
B.sphere
C.shape
D.situation
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