284. 听下面材料,回答第(1) (2) 题。
(1) What is the relationship between the two speakers?
A. Doctor and patient.
B. Teacher and student.
C. Boss and employee.
(2) Why won't Mara go to work today?
A. She is busy with her work.
B. Her mother has got a headache.
C. She is not quite well today.