单项选择题


You will hear three dialogues or monologues. Before listening to each one, you will have time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to read your answer. You will hear each piece once only.
Questions 11-13 are based on the following monologue. You now have 15 seconds to read Questions 11-13.
Who warned the police about the fire

A.A fireman.
B.A workman in the forest.
C.A car driver.
D.A truck driver.