从方框内选择正确选项。（方框中有一个选项与对话内容无关）

A. That's really true. B. Is that so? C. You overslept? D. What was the matter? E. I think you can talk with them. F. Oh. I was sleeping at that time.

A: Hi, Peter. I hear that you've begun to stay in the school dormitory(学生宿舍).

B: Yes. It can save me a lot of time riding my bike to school.

A: What is the dormitory like?

B: It's OK, but not perfect.

A: Why?

B: Today I overslept and missed my breakfast.

A:

B: Yes. Some boys kept talking until midnight last night. So I couldn't fall asleep.

A:

B: Wow, a good idea! Thank you.