Which of the Following Is a Consequence of Biological Magnification

Which of the following is a consequence of biological magnification?

A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers.
B) Populations of top-level predators are generally smaller than populations of primary consumers.
C) The biomass of producers in an ecosystem is generally higher than the biomass of primary consumers.
D) Only a small portion of the energy captured by producers is transferred to consumers.