After school we went to the readingroom to do some reading only to be told that it .(

问题补充：

After school we went to the readingroom to do some reading，only to be told that it .(·安徽)

A. was decorated

B. had decorated

C. had been decorating

D. was being decorated

答案：

A. was decorated

B. had decorated

C. had been decorating

(答案→)D. was being decorated

解析：考查时态和语态。句意：放学后，我们去阅览室看书，结果却被告知阅览室正在装修。阅览室显然是被装修的，应用被动语态，B和C可排除，又根据句意可知，阅览室正在装修，动作正在进行时，故用过去进行时的被动语态。