The text describes how people's understanding of whales' communication has changed from the past to now. How have peoples' understanding changed?

Question

A. In the past, scientists were not interested in studying whale songs, but now, because of popular movies about whales, scientists are interested.
B. In the past, seafarers thought whale songs were songs from ghosts, but now, scientists record and study whale songs to understand them.
C. In the past, seafarers thought whale songs were whales' way of communicating, but now, scientists think whale songs are songs from ghosts.
D. In the past, whales could not sing, but now, whales have had to learn how to sing and scientists have begun to study them.

Answer 1

B. In the past, seafarers thought whale songs were songs from ghosts, but now, scientists record and study whale songs to understand them.