People Who Are Well Aware of the Damaging Effects of Mercury

People who are well aware of the damaging effects of mercury might insist that all fish that they eat is free from mercury.They may be alarmed,for instance,if mercury levels remain at very low levels,far below that known to cause harm.Insisting that mercury be completely eliminated from fish

A) will likely require little additional cost with potentially great benefits.
B) will likely reduce the cost of fish and improve the health of consumers.
C) is not cost effective for the health benefits of complete elimination.
D) is a necessary but very expensive part of additional environmental controls.