M: Mary, you didn’t have your supper tonight.
W: I went to the dentist this afternoon and had a tooth pulled out.
M: And it hurts
W: Of course.

Why didn’t the woman eat（）

单项选择题What’s the woman worried about（）

A. Joan may have taken a wrong train.
B. Joan won’t come to the conference.
C. Joan will miss the next conference.
D. Joan may be late for the opening speech.

单项选择题The speculation that if archaeologists were to analyze their own society’s refuse they would discover something（）

A. is humorous because it is ridiculous to search the refuse
B. is based on a serious rationale and it is just what the archaeologists have done
C. is just a guess for it is impossible for archaeologists to do such a thing
D. is interesting because archaeologists can’t learn anything while doing so