What Is the Thesis of Travis Hirschi's Causes of Delinquency

What is the thesis of Travis Hirschi's Causes of Delinquency (1969) ?

A) When we have weak social ties, we comply with society's norms in an effort to impress others and strengthen our ties.
B) When we break norms, the people who love us invest in us more in order to encourage us to comply with society's rules.
C) The more meaningful social connections we have, the less likely we are to break norms because we don't want to risk those relationships.
D) The more meaningful social connections we have, the more likely we are to break norms because we want to test the durability of those relationships.