Threateningly
We can tell that because the dogs are huddled together in fear, there's some sort of danger. Also the snarling suggests they are under caution or going on defense from some danger; they feel threatened.
Answer:
it will be great to have civilised to have developt toilet
Explanation:
that will be like wishes were horses beggars would ride funny
The figurative language that comes across most clearly in the excerpt from T.S eliot's preludes is : Imagery
The excerpt filled with visual symbolism that became a basic characteristic og an imagery
hope this helps