单选题 For some serious coin collectors, a coin with a different date, mintmark, and even a little ______ in design is counted as a different coin.
  • [A] contrast
  • [B] diversity
  • [C] variation
  • [D] variety


【正确答案】 C
【答案解析】名词辨析题。variation“变化，变更；变化的动作、过程或结果”；contrast“对照，差别，反差”；diversity“变化或多样性；事实或质量的不同、差别”；variety意为“变化；品种，种类”。