单选题 The teacher demanded that the homework ______ in two days.
  • A. to be handed in
  • B. must be handed in
  • C. shall be handed in
  • D. should be handed in


【正确答案】 D
【答案解析】demand表示要求，后接宾语从句时，动词需采用虚拟语气，即should do形式。根据题意，这里 should后须采用被动形式。