Ava is writing a research paper about how whales are affected by shipping vessels and cruise ships. Which negative impact will she MOST likely write about?

A. Whales are affected by oiling from the exhaust emissions from ships.
B. Whales are affected by overfishing from cruise ship fishers.
C. Whales are affected by the sounds produced by ships.
D. Whales are affected by ozone depletion from the wastewater released by ships.