单选题 I wish I hadn't been so busy this morning, otherwise I ______ you with the cleaning.
  • A. will have helped
  • B. should help
  • C. could have helped
  • D. could help


【正确答案】 C
【答案解析】[解析] 考查虚拟语气。本句中，I wish后面的滑语动词用过去完成时表示过去的愿望，因此本题选C，could have done表示“本可以做到却没有做”。