49. According to the passage, which of the following indicates that animals crossed
the ocean to Madagascar?
(A)dietary habits
(B)written texts
(C)fossil records
(D)video footage
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統計: A(12), B(6), C(119), D(1), E(0) #3121927
統計: A(12), B(6), C(119), D(1), E(0) #3121927