Which of the following is the best summary of the excerpt from "The Adventure of Silver Blaze"? A. The two lads ate in the trainer's house, Ned was on guard duty, and Edith brought Ned dinner. B. The two lads were on guard duty, Ned ate in the trainer's house, Edith decided she wasn't hungry. C. The two lads ate in the stable, Edith was on guard duty, and Ned brought Edith dinner.