—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

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

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

1. A.
   Yes, it is
2. B.
   Yes, it isn't
3. C.
   No, it is
4. D.
   No, it isn't

—The problem isn't difficult for the children to work out, is it？
—_____ . Perhaps they should have been given a more difficult one

1. A.
   Yes, it is
2. B.
   Yes, it isn't
3. C.
   No, it is
4. D.
   No, it isn't

（2010·湖南衡阳八中高三上第二次月考）    33. —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