题目

At a busy bus station, a little girl sat on the bench （长椅） alone, Most people were in such a hurry that they didn't_____ her.After a while, a man stopped near the girl. He was very _____ after a day’s work, and he wanted to get home as_____as possible. But he couldn't just______the little girl alone.Hello, the man said to the girl, Are you all right? The little girl didn't ____ look up at him. He sat down next to her and touched her shoulder. Now she lifted her head, and the man saw that she was crying. He felt_____! But he gave her a very warm smile and held out his hand. The girl l设⊙O的半径是r，点O到直线的距离是d，若⊙O与L至少有一个公共点，则r与d之间的关系是（ ）A．d＞rB．d=rC．d＜rD．d≤r