【单选题】Fishermen on the high seas have plenty of worries, not the least of which are boat tossing storms, territorial squabbles and even pirates. Now Boris Worm, a marine biologist at Dalhousie University in...
A.
fishermen are afraid of pirates and storms most.
B.
people should take measures to secure fish supply.
C.
about 50 years later, we won't be able to eat fish.
D.
Worm expects global catch data to continue surging.