听力原文：M: Tina, have you ever noticed advertisements？
W: What's that？
M: Some advertisements say "Learn a foreign language in 6 weeks, or get your money back! ".
W: It never happens quite like that. The only language easy to learn is the mother tongue. And think how much practice that gets!
M: It is really hard to master a language. Some people try at home with books and records or tapes; some use radio or television programs; others go to evening classes.
W: A few people try to learn a language fast by studying for 6 or more hours a day. Do you think it's a very effective way to learn a foreign language？
M: I don't think so. It's clear to learn the language in the country where it's spoken. There you come into contact with it all the time.
W: I can't agree with you more, but not everyone can afford this, and for many it's not necessary.
M: However, foreign language, especially English, is an indispensable part of our life. People need the language to do their work better.
W: You bet it. It's impossible for everyone to go abroad. And we can achieve great success as long as excellent ways are adopted.
M: Besides, perseverance is very important. We should accumulate what we learn gradually and put them into practice.
W: Undoubtedly, it's hard work. Machines and good books will give us some help, but they cannot replace the learner himself.
What is Tina's attitude towards the advertisement？

A. She thinks there is no reason to deny its truth.
B. She pays no attention to it.
C. She herself cannot judge it clearly.
D. She does not believe it at all.