–So, Nancy, you had no difficulty finding your way here?    --__________.
     A. Yes, no difficulty at all     B. No, not at all      C. Yes, no problem      D. Nonsense

--So, Nancy, you had no difficulty finding your way here?
--__________.
A. Yes, no difficulty at all    B. No, not at all    C. Yes, no problem    D. Nonsense

--So, Nancy, you had no difficulty finding your way here?
--__________.
A. Yes, no difficulty at all    B. No, not at all    C. Yes, no problem    D. Nonsense

---So,Nancy,you had no difficulty finding your way here?
---______.

1. A.
   Yes,no difficulty　
2. B.
   No,none at all　
3. C.
   Yes,no problem
4. D.
   Nonsense

—So,Nancy,you had no difficulty finding your way here??

—_____________.?

A.Yes,no difficulty　           B.No,none at all　

C.Yes,no problem         D.Nonsense?