听力原文：W: Have you ever known anyone as unlucky as Mary Green? The most terrible things keep happening to her. M: Yes, if you can trust what she says, but most of her stories are pretty unbelievable in my opinion. Q: What does the man think of Mary Green? (17) A．She is really an unlucky person. B．She is a good storyteller. C．She is an unbelievable person. D．What she said is not always true.