Based on the History of Marsupial Colonization, Extinction, and Vicariant

Multiple Choice

Based on the history of marsupial colonization, extinction, and vicariant events, which of the following should be true of currently existing marsupials?

A) A phylogenetic tree should demonstrate that North American marsupials are the closest living relatives to Australian marsupials.
B) South American marsupials should be the closest living relatives to Australian marsupials.
C) South American marsupials should be the closest living relatives to North American marsupials.
D) none of the above