Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE.
听力原文：M: Good evening, madam. I know that you have been robbed.
W: Yes, I have.
M: When did this happen？
W: About two hours ago.
M: Why didn't you report it before？
W: I couldn't. I was bound and gagged.
M: Would you like to tell me what happened？
W: Yes. I was sitting in this room watching television when someone knocked at the door. Without thinking, I opened it.
M: That wasn't very wise, madam.
W: I know. I was expecting my husband, you see, and I thought it was him.
M: You should never open a door without looking to see who it is.
W: Yes, I know. I regret it very much.
M: What happened ？
W: Two men pushed me into the flat. One of them threatened me with a knife while the other bound and gagged me.
M: Did you get a good look at them？
W: I'm afraid not. They were both wearing stockings over their faces.
M: What did they take？
W: My wallet, which has $ 200 in it, my wristwatch, some of my jewelry from our bedroom, and a silver photo frame.
M: They don't seem to have done much damage to the flat.
W: No. They had just begun to search when the dogs next door began to bark. They ran off quickly leaving me bound and gagged. It was some time before my husband returned and released me. I phoned the police at once.
M: The policemen began searching the area as soon as we received your call. I can't promise you that we'll recover your property but we'll certainly do our best.
Why did the woman open the door when someone knocked at it？
A．Because she knew the two men.
B．Because she thought it was her husband.
C．Because she was waiting for them.
D．Because she was afraid of them.
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