after being in class for a while, ______ is a likely explanation for not hearing the sound of the fan in the…

Brief Explanations:

Habituation is a form of non - associative learning where an organism decreases or ceases its responses to a stimulus after repeated presentations. In this case, the continuous sound of the fan becomes a repeated stimulus, and over time, one stops noticing it until attention is drawn back to it. Accommodation is related to changes in mental schemas in cognitive development. Adaptation is a broader biological or environmental concept. Sublimation is a defense mechanism in psychoanalysis.

Answer:

B. habituation