第二部分语言知识及应用（共两节，满分45分）
第一节单项填空（共15小题，每小题1分，满分15分）
　　从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
---Excuse me,but I couldn't help noticing your necklace.
---________
　　　A.Oh,it was a present from my parents.
　　　B.Oh,sorry,I've never noticed that myself.
　　　C.Noticing too much is no good,isn't it?
　　　D.Mind your own business,please.