'Horse of another color' is the opposite expression from Shakespeare's 'a horse of that color' in the Twelfth Night Act 2 Scene 3 where Maria told Sir Toby Belch that her purpose was indeed a horse of that color which meant that Sir Toby Belch got the same idea as hers. So, 'horse of another color' is an idea different from the other.
The correct answer is D) 'to bend with apples the moss'd cottage-trees / and fill all fruit with ripeness to the core' - because he talks about the richness of nature and its fruit / vegetables.
I would say A..
because it sound more logic base on the meaning of the base word (Visual)
Because I love science fiction
Thanks for the free points