下列各句中，没有语病的一项是（ ）

changes have taken place in thatschool It is no longer _____it was 20 years ago, ______it was so poorlyequipped

It was not until I came here ____ I realized this place was famous, for not only its beauty but also its weather.

Did the boy break the window ______—No. They did it when they were playing football.

The murderer was brought in, with his hands ______behind his back.