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.
What can we learn from the conversation？（） A．The concert was broadcast on television.
B．Tickets for it were rather expensive.
C．Many people were present at the concert.
D．The concert lasted longer than expected.