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 dialoguas 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.

A.History book.
B.Physics book.
C.Chemistry book.
D.English book.