单项选择题

Conversation 2
[听力原文] 8-10
W: David. have you ever placed an ad in the Campus Daily
M: Yes. I once did that to sell my bike I no longer needed.
W: When was that
M: Last May. I think. Why do you ask
W: I’m thinking of selling my old book since I am going to graduate.
M: Are they in good condition
W: Pretty good.
M: Well. you can call Berne Li. He is the head of the advertising department of the paper.
W: Do you know what rates they charge
M: Last May it was 10 yuan for the first 30 words and 50 fen for each word added.
W: 10 yuan for the first 30 words. That is not too bad.
M: Yeah. it’s reasonable.
W: Do they charge extra for pictures
M: No. that’s free. But they do charge you more if you Want to put in a bow or something.
W: I see. Thanks. That’s very helpful.
M: It’s a pleasure.

What rates do they charge（）

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