TOEFL Listening: ETS-TOEFL听力机经 - P84MWBRSD4Y03W75P$

Why does the professor mention an incident involving a cargo ship in the Pacific Ocean? A. To point out the main weakness of flotsam science B. To explain the origins of flotsam science C. To emphasize the ongoing need for flotsam science D. To provide an example of how flotsam science benefits industry