GRE Text Completion: Fundamental 24 Sets-GRE填空基础24套 - J0RA10I05T21N1MB!

Recent data recording a bottlenose whale's phenomenal dive of over 4700 feet (i)____________ earlier (ii)____________ that such whales were among the sea's deepest divers. A. refuted B. theories C. challenged D. speculations E. confirmed F. disclaimers