Respuesta :
it suggests the dog is guilty of something
if he were excited or delighted, he would be wagging his tail
if he were excited or delighted, he would be wagging his tail
The word Slunk implies that the dog feels guilty. The definition of slunk is "creep" or "crawl", as in slowly move. If the dog was excited or delighted to be home, he would move fast. There is no evidence in the text to suggest that the dog is ill.
Hope this helps! Have a happy holiday!