If a Behavior Continues to Be Exhibited in Spite of the Fact

Multiple Choice

 If a behavior continues to be exhibited in spite of the fact that no reinforcement is being given,it is likely that the behavior ____. 

A) was created through multiple types of conditioning
B) has an underlying biological cause
C) has been previously reinforced every single time it occurred for many year
D) has been previously conditioned according to a partial reinforcement schedule