单选题 When she heard that she broke the world record. she felt an irresistible ______ to cry at the winner's stand.
  • A.courtesy
  • B.demonstrates
  • C.bravery
  • D.impulse
【正确答案】 D
【答案解析】[解析] 各项的意思是：courtesy“谦恭有礼”；by courtesy“按惯例；礼貌上”；demonstrate“说明；演示”；bravery“勇敢”；impulse“刺激，推动力”。根据句意判断，答案为D。