18.The silence of the library was sometimes broken by an occasional cough or by the sound of pages _______.D
问题描述：
18.The silence of the library was sometimes broken by an occasional cough or by the sound of pages _______.D
A.turned B.having turned
C.to be turned D.being turned
求详解
答
D
我认为正在翻书时才会有响声.
page被turn,人翻页,页被翻,肯定是被动的
被动的进行式being turned
这里是用动词过去分词的being done形式做定语,表示正在被怎么样.