完形填空：阅读下面短文，掌握其大意，然后从各题所给四个选项中，选出一个最佳答案。

　　The women's college had a very small car-park and because several of the teachers and students, and many of the students' boyfriends had cars, it was often (1) to find a place to park. The head of the college, Miss Baker, had a (2) in the car-park for her own small car. There were white (3) around it, and it had a small blackboard saying,“Only for Head of college”. One evening when Miss Baker got (4) to the college a few minutes before the time all the students should be in, she (5) another car in her parking place. There were two (6) in it, one of her girl students and a young man. Miss Baker (7) that the young man would have to leave very soon. She decided to ask him to (8) his car a bit, for her to park her car in the place for the night (9) going to bed. Because the young man's car was (10) to the railings(栏杆), Miss Baker had to drive up beside it on the other (11) , where the girl was sitting. She came up on this side, (12) her own window and tapped her horn(按喇叭) lightly. The girl was having her head on the (13) shoulder (肩膀). She looked around in (14) . She was even more surprised when she (15) Miss Baker say,“Excuse me, but may I change places with you?”

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