单选题 Could you tell me something what I haven't known?
  • A. Could
  • B. tell
  • C. what
  • D. haven't


【正确答案】 C
【答案解析】[解析] what→that。something作为tell的宾语，后面用定语从句来修饰，应该用that来引导，其中what=something that。