What have scientists concluded about whales based on their understanding of whales' communications?

Question

A. They think that whales are probably really musically gifted, with an innate sense of pitch and tempo.
B. They think that whales are highly intelligent, and that they might have higher levels of consciousness than previously thought.
C. They think that whales are smarter than humans and that whales have a good communication system for humans to replicate.
D. They think that whales are highly intelligent, and that they might be plotting dangerous acts through their communications.

Answer 1

B. They think that whales are highly intelligent, and that they might have higher levels of consciousness than previously thought.