题目

There would be a school party on Friday evening．The girls were talking about what they were going to wear． I'm going to wear a black dress, so everybody will notice（注意） me, said Emily．How about you, Linda? I'm not sure．Maybe jeans, an old shirt, and a hat．People will notice me more than you! Linda said． What are we going to do about the boys? asked Jane．Do you remember the last school party, last year? They just stood there, and we girls had to dance by ourselves! I hear that some of the boys learned how to dance this summer．Maybe it'll be better this time, said Mary．已知动点P（x，y）满足x+y-2≥0x-y≤0y≤2，动点Q（x，y）在曲线（x-1）2+y2=1上，则|PQ|的最大值与最小值的和为（　　） A、5+1B、22+1C、5+22D、32+1