PTE Listening MC Single: What point does the lecturer make about whales and sound pollution?

What point does the lecturer make about whales and sound pollution?

• A.Increased sound pollution means whales u2018talku2019 more at night than during the day.
• B.Research shows whales communicate to warn each other of sound pollution.
• C.Whales may not survive in some situations where there is sound pollution.
• D.Sound pollution from submarines has little impact on whales and other creatures.