Final answer:
Emily Dickinson extends her metaphor of 'Hope is the thing with feathers' by comparing hope to a bird that sings sweetly even in the midst of a storm.
Step-by-step explanation:
Emily Dickinson extends her metaphor of 'Hope is the thing with feathers' by comparing hope to a bird that sings sweetly even in the midst of a storm. The lines 'And sweetest in the gale is heard; And sore must be the storm That could abash the little bird That kept so many warm' illustrate how hope provides comfort and warmth in difficult times, just like a bird's song can be heard amidst a storm.