Which of the Following Is True of Glueck and Glueck's

Which of the following is true of Glueck and Glueck's research?

A) Sociologists rejected the Gluecks' work, suggesting that it portrayed offenders as biologically deficient.
B) The Gluecks argued in favor of beginning the study of crime during the teenage years.
C) The Gluecks argued in favor of a single-factor approach to understanding crime.
D) The Gluecks argued that most people subject to poor social conditions end up engaging in crime.