In Which of the Following Ways Did W

In which of the following ways did W. Miller's (2001) conclusions about gang activity in the United States differ from findings from federal commissions at the time?

A) Miller found gangs to be a MORE serious societal issue than the federal commissions found.
B) Miller found gangs to be a LESS serious societal issue than the federal commissions found.
C) The federal commissions found gang activity to have grown substantially since the 1970s while Miller did not.
D) Miller found gang activity to be concentrated in middle-class areas, while the federal commissions found it to be concentrated in urban slums.