Answer: B) perceptual organization.
Step-by-step explanation:
Perceptual organization can be defined as the process of giving imagination to the visual or auditory real life experiences. This means the person relates the real life natural processes with the perceptual or imaginary events or processes.
According to the given situation, the sound of drip is related with the repeating rhythm of the musical beats. This is the product of once perceptual thinking and organization of thoughts.