TOEFL Reading: ETS-TOEFL阅读机经 - VQ6R0N5H70AC01TRL$

Paragraph 1 supports which of the following statements about fish evolution? A. Lobe-finned fish were among the earliest types of fish to appear. B. Fish began living in freshwater habitats only after originating elsewhere. C. Lobe-finned fish radiated into almost all available aquatic habitats. D. During the Devonian, lobe-finned fish were more common in marine than in freshwater habitats.