单选题 --Will you please spare me a few minutes now?
-- ______ . But I'll be free in half an hour.
  • A. No I can't
  • B. Yes, with pleasure
  • C. No problem
  • D. I'm afraid not
【正确答案】 D
【答案解析】[解析] 根据回答，B、C两项与句意不符，A项过于生硬，D项委婉。故本题答案为D。