Because he said in a mildly motion, we can assume that he does not take the dog away because he is cruel, he simply has like a good excuse to not keep it. But, his imperative tone of saying „I know where it is going” gives us the idea of he is not as comprehensive with the dog and it creates a problem in the story. With this explained, we can assume the best answer is C.
He works hard and does not give up easily. and “Bob spent hours in the attic of his house, cutting up a 48-star flag and rearranging the stars until they fit just right.”
