单选题 The government has launched a massive campaign against crimes in the big cities.
  • A. proposed
  • B. decided
  • C. begun
  • D. studied


【正确答案】 C
【答案解析】launch在此句中和begin意思相同，表示“开始(采取行动)、着手”；propose：计划、建议、求f婚)；decide：决心、决定；study：学习、研究。