单选题 Mary was compelled to take in washing to help support her family.
  • A. pleaded
  • B. appealed
  • C. forced
  • D. instructed


【正确答案】 C
【答案解析】compel和force都表示“强制、强迫”；plead：辩护、恳求；appeal：请求、呼吁、求助；instruct：教导、命令、指示。