Tian Dong, together with his classmates, ________ because of ________ the school rule．

A.was punished, obeying

B.were punished; breaking

C.were punished; obeying

D.was punished; breaking

答案及解析： D

解析：

从句意看，首先排除A、C两项。因为遵守学校的规章制度是不应该受到惩罚的。together with his classmates 是状语，主语为Tian Dong，谓语动词应用单数形式，故选D项。