When I was in junior high school, I was really a bad boy. My history teacher--Mr. Oven criticized me a lot because I was naughty in his class. By the end of the first semester, I'd had enough of his words and had decided that I would get my revenge on him. The opportunity arose one morning when Mr. Oven was called to the office for a certain reason. While Mr. Oven left, my company Billy and I grabbed Mr. Oven's lunch bag from under his desk. I opened his sandwich and placed a bug in between the two slices of bread. We put it back and closed it. To keep it in memory, Billy took photos of the whole process. We laughed for weeks over this.  _ Billy's mother found the pictures in his room, and demanded that he should tell her where these pictures were from. Billy told his mother the whole story, and Mr. Oven was informed. Not only was I punished from school for two weeks, but also I was kicked off the football and basketball team. Before I could return to school, I had to turn in a 1000-word essay on what I did and why I did that. I really felt embarrassed every time I saw Mr. Oven in the hallway for the rest of the school year. I felt a little regret that Mr. Oven left our school the next year. Mr. Oven criticized me a lot because   _  .
I disobeyed his rules in class I didn't go to his class I didn't answer his questions I was naughty in my homework
Question: When I was in junior high school, I was really a bad boy. My history teacher--Mr. Oven criticized me a lot because I was naughty in his class. By the end of the first semester, I'd had enough of his words and had decided that I would get my revenge on him. The opportunity arose one morning when Mr. Oven was called to the office for a certain reason. While Mr. Oven left, my company Billy and I grabbed Mr. Oven's lunch bag from under his desk. I opened his sandwich and placed a bug in between the two slices of bread. We put it back and closed it. To keep it in memory, Billy took photos of the whole process. We laughed for weeks over this.  _ Billy's mother found the pictures in his room, and demanded that he should tell her where these pictures were from. Billy told his mother the whole story, and Mr. Oven was informed. Not only was I punished from school for two weeks, but also I was kicked off the football and basketball team. Before I could return to school, I had to turn in a 1000-word essay on what I did and why I did that. I really felt embarrassed every time I saw Mr. Oven in the hallway for the rest of the school year. I felt a little regret that Mr. Oven left our school the next year. Mr. Oven criticized me a lot because   _  .
A. I disobeyed his rules in class
B. I didn't go to his class
C. I didn't answer his questions
D. I was naughty in my homework
Answer: