Final answer:
The metaphor in stanza 5 is "Her smile was a ray of sunshine on a cloudy day." This metaphor effectively communicates the uplifting and positive impact of the smile.
Step-by-step explanation:
The metaphor in stanza 5 is option D) "Her smile was a ray of sunshine on a cloudy day."
This metaphor effectively communicates the uplifting and positive impact of the smile. By comparing the smile to a ray of sunshine, it conveys the idea that the smile brings warmth, light, and happiness to a situation that may be gloomy or difficult.