B
ACCorDing to thE notiCE，pEoplE CAnt EAt thE Fish From thEsE wAtErs mAinly BECAusE ________.A．thE Fish is too smAll
B．thE Fish is too Big
C．thE Fish is pollutED By mErCury
D．thE Fish is pollutED By thE wAtEr From FACtoriEs