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 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.
Where does this conversation take place？（） A．In a department store.
B．In a bookstore.
C．In a post office.
D．In a library.