Answer: C) sound.
Step-by-step explanation: Imagery is a literary device that consists in the use of figurative language or detailed descriptions in order to evoke the senses of the reader and to create a mental picture. In the given passage the author uses imagery to evoke an emotion in the passage, specifically it is used the sense of sound in the phrase "the buzzing of the bees around the raspberry bush." So the correct answer is option C.