单选题 How much a person can earn is not always a good ______ of real success in life.
  • A. essence
  • B. decree
  • C. qualification
  • D. criterion
【正确答案】 D
【答案解析】[解析] 各项的意思为：criterion(批评判断的)标准；essence本质；decree法令；qualification资格，条件。所以，本题选D。