The answer is historical fiction
There is no diagram here! Please post a diagram so we can help.
D) the city streets in the summer are bursting with life
I don't remember anything about an "extended metaphor," but the poem's main focus is to remind herself that while she loves the earthly comforts of her house and all her material things... it is important to not over-love them and instead think of all the spiritual rewards that are awaiting her in heaven.
