Which One of the Following Statements About the Diversity of Darwin's

Which one of the following statements about the diversity of Darwin's finches on the Galápagos Islands is false?

A) All of the finches share a common ancestor that colonized the islands.
B) Prior to the adaptive radiation of finches,there were many unoccupied habitats in the Galápagos Islands.
C) The many islands in the Galápagos archipelago favored allopatric speciation.
D) The adaptive radiation of Darwin's finches resulted from a key evolutionary innovation.
E) There are several species clusters of finches.