单选题 If Assam Motors had opened its new facility on schedule, it ______ its output before the close of the 2010 fiscal year.
  • (A) had been doubling
  • (B) could have doubled
  • (C) will double
  • (D) should double


【正确答案】 B
【答案解析】[语法] 虚拟语气，过去完成时