题目

—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 答案：B　 解析: 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。

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