Question

---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

Answer 1

B
yes后接肯定形式，no后接否定形式，本小题用yes作答表示有困难，no作答是没有困难；A、C两项自相矛盾，D项与上句无关。none=no+前述名词，即no difficulty。