单选题 It seems a lot of effort but I'm sure it's the best solution ______.
  • A. on the other hand
  • B. in the long run
  • C. once upon a time
  • D. out of the way
【正确答案】 B
【答案解析】on the other hand：另一方面(常与on one hand连用)；in the long run：最终；once upon a time：从前，很久以前；out of the way：不顺道，交通不便。