Which of the Following Statements About Gottfredson and Hirschi's General

Which of the following statements about Gottfredson and Hirschi's general theory is true?

A) Self-control is a result of the biological predispositions we are born with.
B) Self-control explains why people who have conduct problems in childhood often also later engage in delinquency and then in adult crime.
C) Self-control is not a stable trait, but a factor that comes and goes throughout one's life, thus explaining why people commit crimes at one time and not another.
D) Self-control is formed or not formed in the teenage years, which is why most delinquency occurs during adolescence.