单选题 Anesthetics are substances ______ to deaden pain or produce a condition in which some or all of the senses, especially touch, stop functioning or are reduced.
  • A.diverted
  • B.enforced
  • C.exercised
  • D.administered
【正确答案】 D
【答案解析】[解析] 各项的意思是：divert“使转移”；enforce“实施，迫使”；exercise“练习；行使”；administer“管理，作为治疔或药物使用”。根据句意判断，答案为D。