单选题 Barbara: Your help means everything. Just don't know I'll ever repay you.
Kenneth: ______ . It's nothing!
  • A. It's no big deal
  • B. It's not a big thing to do
  • C. It's worth mentioning
  • D. It's not worth talking about
【正确答案】 A
【答案解析】[解析] 应对感谢的常用表达法一般是：It's no big deal．意思为：这算不了什么；It's not worth mentioning．意思为：这不值一提。A项选择为最佳答案。C项选择意思正相反。B和D项选择项不是常用表达法。