单选题 The footsteps of thousands of visitors had ______ the steps.
  • A. worn on
  • B. worn off
  • C. worn out
  • D. worn away


【正确答案】 D
【答案解析】[分析] wear away“(使)磨损(灭)”,;wear out“消瘦”,“(把)穿破”;wear on“(时间)消逝”;wear off“(印象等)消失”,“磨掉”。本题意为:“数以千计的游客的脚步已经把台阶磨损了。”因此,D最符合题意。