Question

—The problem isn't difficult for the children to work out, is it？

   —_____ . Perhaps they should have been given a more difficult one. 

A. Yes, it is    B. Yes, it isn't    C. No, it is    D. No, it isn't

Answer 1

D

解析:

从后句可知,“本应该给他们一道更难的题”暗示原来所给的题不难,故答案是“不难”,但由于问句用的是否定形式,所以应用No, it isn't.