Final answer:
The interpretation that the 'Golden Cat' represents the sun and the 'Blue Roof Garden' represents the sky is the most fitting for the imagery conveyed in the poem.
Step-by-step explanation:
The imagery in the lines "Great is the Golden Cat who treads, The Blue Roof Garden o’er our heads" suggests a metaphor where the Golden Cat represents the sun as it moves across the sky, which is portrayed as a 'Blue Roof Garden'. The imagery conveys a sense of grandeur and dominance, perhaps likening the sun's journey across the sky to a noble creature that oversees the world from above. Option 1, which states that the sun passes across the blue of the sky, is the interpretation that best captures the meaning of these lines. The imagery used in this poem therefore doesn't focus on the literal presence of a cat or a roof, but instead encourages readers to visualize the solar movement and its commanding presence in our daily cycle.