24.Yesterday we went to the library to do some reading, only to find that it ______.
A
had closed
B
had been closed
C
will close
D
will be closed
句子的意思是,昨天我去图书馆看书,结果发现图书馆关门了。去图书馆是过去的,关门在去之前,过去的过去用过去完成时,所以排除C和D。图书馆关门了是被动的,所以排除A。故选B。
考查动词的时态。
没有注意到要用被动语态而误选A。