12. Read the following sentence from "The Human Genome Project."

{This means that there is more at work than just genes in determining why one person commits a crime and another is good at music or sports.}

What is the most likely reason that the author included this sentence in the text?
A. to explore the origin of one's musical and athletic ability
B. to introduce the study of human behavior and crime
C. to clarify the significance of the project's findings
D. to argue that genetics do not play a role in human behavior