A - Awes and impressed. The author calls the spider genius(Dickson 7) and and artist with an surpassing merit.
To be really honest, I think its a matter of opinion on which sentence is the strongest conclusion. To me, I think choice C is the best answer because it paints the contrast between the dog's wild instincts versus loyalty. I guess the conclusion should also mention that despite the abuse, Buck still learned to trust a human (even though one could easily understand why the dog would never trust a human after the abuse), so it shows just how powerful loyalty can be.
He had never been as scared as he was now.
Answer:
a person who has the quality to be self less
The answer is B. Ivan and Mel are good musicians.