Tom together with his classmates because of the school rules.A. was punished obeyingB

问题补充：

Tom, together with his classmates, because of the school rules.

A. was punished, obeying

B. were punished, obeying

C. was punished, breaking

D. were punished, breaking

答案：

A. was punished, obeying

B. were punished, obeying

(答案→)C. was punished, breaking

D. were punished, breaking

解析：考察主谓一致计词义辨析. together with his classmates为伴随主语,谓语与Tom保持一致。句意：汤姆以及他的同学由于违反校规被处罚。Obey遵守;break打破,破坏.故选C.