When I got back home I saw a message pinned to the door“ Sorry to miss you I will call l

问题补充：

When I got back home, I saw a message pinned to the door“ Sorry to miss you, I will call later.”

A. read

B. reads

C. to read

D. reading

答案：

A. read

B. reads

C. to read

(答案→)D. reading

解析：考查分词用法。本题的动词read与名词message之间构成主动的关系，故使用现在分词的形式做定语修饰名词。句意:当我到家的时候，我看门上钉着一个信息，上面写着对不起没有找到你，晚些时候我还会来的。巩固Ｄ正确。