单选题 She could fix the machine without referring to the instructions.
  • A. understanding
  • B. observing
  • C. consulting
  • D. obtaining


【正确答案】 C
【答案解析】refer to和consult词义相同，表示“参考、查阅”；understand：懂得、熟悉；observe：观察、观测、遵守；obtain：获得、得到。