单选题 But for his help, I ______.
  • A. did not succeed
  • B. had not succeeded
  • C. should not have succeeded
  • D. have not succeeded
【正确答案】 C
【答案解析】虚拟语气，shouldn't have done sth.本不应该却做了某事，should have done sth.意为本应该却没有做某事。