祝福语：Happy birthday!及回应 — 英语选择题
题目
今天是Mike的生日。聚会上，Amy先对他说：Happy birthday! 过了一会儿，Amy误以为明天才是Mike的生日，又说了一句：Tomorrow is your birthday. Happy birthday! Mike应该怎样礼貌回应才最合适？A. Thank you. It's my birthday today. B. Happy birthday! C. No, you are wrong. D. Goodbye!