After school we went to the reading-room to do some reading only to be told that it .A. i

问题补充：

After school we went to the reading-room to do some reading, only to be told that it .

A. is decorated

B. was decorated

C. was being decorated

D. is being decorated

答案：

A. is decorated

B. was decorated

(答案→)C. was being decorated

D. is being decorated

解析：考查时态和语态。句意：放学后，我们去阅览室看书，结果被告知阅览室正在被装修。再从 动词went可以得知是与过去有关，故用过去进行时的被动语态。