I don't know what the section is, but I do know that four mental aspects of listening are; previous knowledge, the material being listened to, the physiological activity, and attention to the subject.
I don't know if this is what you are looking for, but I hope it helps.
The verbs would be hear and saw.
Answer:
D. sound
Explanation:
When the string is plucked, a certain amount of the potential energy is converted to kinetic energy.
Repetition, is the device that supports the author's purpose