Which two sentences from the passage support the way Sylvia is characterized, based on the previous question's answer? A) There was hardly a night the summer through when the old cow could be found waiting at the pasture bars. B) A little girl was driving home her cow, a plodding, dilatory, provoking creature in her behavior, but a valued companion for all that. C) It was a great while since she had left home at half-past five o'clock, but everybody knew the difficulty of making this errand a short one. D) The good woman suspected that Sylvia loitered occasionally on her own account; there never was such a child for straying about out-of-doors since the world was made! E) Though this chase had been so long that the wary animal herself had given an unusual signal of her whereabouts, Sylvia had only laughed when she came upon Mistress Moolly at the swamp-side, and urged her affectionately homeward with a twig of birch leaves.