问题
单项选择题
Why couldn’t she get to sleep（）
A. Because she was suffering from a stomachache.
B. Because she was suffering from a toothache.
C. Because she was suffering from backache.
D. Because she was suffering from insomnia.
答案
参考答案：B
解析：
推断题。对话中有这样一句话：I don’t have an appointment with my dentist until next week，根据其中的my dentist一词，可以推断出对话中的女性遭遇牙疼，故B为正确答案。