In a Third-Grade Classroom, Carla Became an Aversive Excitatory Stimulus

In a third-grade classroom, Carla became an aversive excitatory stimulus to Kelly because she often embarrassed Kelly in front of other pupils. In the fourth grade, Kelly and Carla are again in the same class, but the new teacher will not tolerate abusive behavior. After six weeks, Kelly is no longer made anxious by Carla's presence. Kelly later joins a soccer team and finds that Carla belongs to the same team. According to the Rescorla-Wagner model, the teacher is likely to

A) be a neutral CS.
B) an inhibitor for Kelly's embarrassment tactics.
C) block Kelly.
D) be blocked by Kelly.