The Fact That Federal Sentencing Guidelines Punish Users of Crack

The fact that federal sentencing guidelines punish users of crack cocaine more harshly than possession of or trafficking in powder cocaine is used by Cole and Smith as an example of which of the following?

A) that unequal status in society can shape criminal justice policy
B) that crack cocaine is more harmful to society than powder cocaine
C) that few people are arrested for using powder cocaine
D) that the effects of powder cocaine are not as strong as crack cocaine
E) that federal sentencing guidelines are very sophisticated and accurate in their application of each offense