Three species of Iizards of the genus Gallotia are found on the Canary Islands, a chain of seven volcanic islands off the west coast of Africa. The easternmost island, Lanzarote, is the oldest, while the westernmost island, El Hierro, is the youngest. The distribution of lizard species is shown on the map below. Which statement about the ancestry of the lizards from the genus Gallotia is best supported by this information?
A The common ancestor of the lizards hrst colonized the island of EI Hierro.
B The ancestors of each species came from different continents at different times.
C The common ancestor of the lizards probably came from Africa. D The ancestors of each species ovolved in Spain and were brought to the islands at the same time.​