We can infer from Dr Myers and Dr. Worm’s paper that

We can infer from Dr Myers and Dr. Worm’s paper that

A. the stock of large predators in some old fisheries has reduced by 90%. B. there are only half as many fisheries as there were 15 years ago. C. the catch sizes in new fisheries are only 20% of the original amount. D. the number of larger predators dropped faster in new fisheries than in the old.