D would seem to be the correct answer. You can cross off A and B, because those are both incorrect. But C and D are possible. I think it's D, because if you just summarize, that doesn't help the reader with some (necessary, at times) details.
Skiff Miller wanted to take the dog back and go to Alaska with him i guess but to do this he would have to take it from the couple that took the dog in and took good care of it. Skiff Miller must have gotten attached to the dog and felt a sense of love and yeahh
