Thinking About Crime Control Began to Change in the 1970s

Thinking about crime control began to change in the 1970s as a result of all the following, except

A) Rising crime in the 1960s led many to question the effectiveness of rehabilitation programming.
B) Influential studies, such as that conducted by Martinson, claimed that rehabilitation was ineffective.
C) The political climate of the 1970s was more conservative.
D) Decreased crime in the 1960s led many to question the cost-effectiveness of rehabilitation programming (e.g., "Why put money into rehabilitation when crime is not a problem?") .