Answer:
B. Dusty
Step-by-step explanation:
Negative connotation occurs when the sense of the word is unpleasant or unfavorable and arouses bad feelings about it.
The word "dust" makes a negative connotation in the poem. The poem talks about creating good memories and enjoying life. In this context, the word "dust" brings the feeling of discomfort, dirt and irritation. This provokes unpleasant sensations in the reader.