Section ADirections: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 chokes marked A) , B) , C) , D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the centre.
A．Something is wrong with the bus. B．He took somebody to hospital. C．Something prevented him taking the bus. D．He came on foot instead of taking the bus.