TOEFL Listening: ETS-TOEFL听力机经 - 9IJ76963EDSRMMF3P$

According to some researcher, why should human consumption of the lion-fish discouraged? A. It would remove an essential predator from Atlantic and Caribbean B. It might lead to introduction of more lion-fish to the Atlantic and Caribbean C. It might lead to some people becoming economically dependent on lion-fish D. it might pose health risks to humans