单项选择题

Section A Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and the questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A) ,B) , C)and D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.

A.Customer and salesman.
B.Wife and husband.
C.Doctor and patient.
D.Teacher and student.