单选题 If you had made good preparations before, you ______ about the coming examination now.
  • A. would not be worried
  • B. would not have worried
  • C. could not be worried
  • D. could not have been worried


【正确答案】 A
【答案解析】这是一个错综时间的条件句，从句表达的是与过去情况相反的假设，用had done的结构，主句表达的是与现在情况相反的假设，用would+动词原形的结构，两项结合选A。