Which of these sentences adds vivid words to a narrative about the first day of school? a) as i walked slowly toward the school, my knees shook and my stomach was strange. b) as i walked toward the building, my knees felt unsteady and stomach felt sick. c) as i trudged toward the school, my knees quivered and my stomach flipped. d) as i trudged toward the building, my knees and my stomach felt weird.