1. What does the writer think we should do if we go back home later than usual? We should________.
A. tell our friends
B. tell the teacher
C. say sorry to our parents
D. make a telephone call to our parents
【解析】选D。细节理解题。根据第三段中Phone them if you stay somewhere else so that your parents don’t call every hospital in the phone book looking for your body. 可知应选D。