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()

A.10 yuan for the first 30 words.
B.10 yuan for the first 20 words.
C.50 fen for the first 30 words.
D.50 fen for the first 20 words.