After in the new course reform for many years, the English teacher published over 30 books.
A. buried
B. being buried
C. having buried
D. having been buried
网友回答
A. buried
B. being buried
C. having buried
(答案→)D. having been buried
解析：考查分词做状语，句意是：在埋头于新课程改革很多年后，英语老师出版了30多本书。说明英语老师是先埋头研究，再出书，时间状语动词发生在主句动作之前，所以用现在分词的完成时。选D.