阅读下列两段短文，掌握其大意，然后从 41-55 各题所给的 A、B、C、D四个选项中，选出最佳选项。

It is a fine Sunday, Jenny and her mother are on the1. They want to go to the Great Wall. There are many children on it. Their parents are telling stories to2. An old man gets on the bus. He has no seat to sit in. Jenny asks him to sit in her seat. The old man thanks Jenny. There are two foreigners (外国人) on the bus. They want to go to the Great Wall, too. But they3 speak Chinese, Jenny talks to them in English. She tells them Beijing is a big city4 a long history. And the Palace Museum is very famous, too. She tells stories about the Palace Museum. At the same time they learn a lot about Chinese culture (文化) from Jenny. They think the stories are5 and they want to visit other places of interest in China soon.