In Instrumental Conditioning, the Term Instrumental Refers to the Fact

In instrumental conditioning, the term instrumental refers to the fact that:

A) the behavior is instrumental in receiving reinforcement
B) the participant must make use of some additional thing (i.e., an instrument) to obtain a reinforcement
C) a satisfying state of affairs is believed to be necessary for learning
D) experimenters use instruments to produce a satisfying state of affairs in their participants