单项选择题

Section A Directions: This section is to test your ability to give proper responses. There are 5 recorded ques tions in it. After each question there is a pause. The questions will be spoken two times. 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.Hold on a second, please.
B.Sorry, Dr. Li is not available right now.
C.I am not sure.
D.Thank you very much for calling.