单选题 All foreign troops must withdraw from the country.
  • A. retain
  • B. retire
  • C. revise
  • D. retreat


【正确答案】 D
【答案解析】withdraw：收回、撤销、撤出，和retreat(撤退、退却)意思相近；retain：停留、维持；retire退休、隐退；revise：修改、校阅。