Which quotation from “A Horseman in the Sky” shows how Carter Druze advances the plot of the story? “The sleeping sentinel in the clump of laurel was a young Virginian named Carter Druse.” “So Carter Druse, bowing reverently to his father,…left the home of his childhood to go soldiering." “This courageous gentleman and hardy soldier was near swooning from intensity of emotion.” “Nevertheless, fatigue had been stronger than resolution, and he had fallen asleep.”