Someone Asks If Some of the Carbon Atoms in Their

Multiple Choice

Someone asks if some of the carbon atoms in their body may have once made up the living tissues of another person or animal in earlier times.This is

A) possible only if you are a cannibal.
B) possible since carbon cycles through the ecosystem.
C) impossible since carbon can't enter a living system more than once.
D) highly unlikely since carbon is always tied up in molecules in organisms or minerals.
E) impossible since carbon molecules are specific for different organisms.