单选题 As fuel prices rose, bus companies raised their fares and ______.
  • A. so did the airlines
  • B. nor did the airlines
  • C. so the airlines did
  • D. nor the airlines did


【正确答案】 A
【答案解析】本题考查so的用法，so do…表示与前文情况相同，“油价上涨，公交车费用上升，航空公司也提高了费用”。