参考答案：D

解析：

[听力原文]8-10 M: What a beautiful site! Surrounded by mountains. I saw those nice buildings over there. Are they the tombs W: No, they are an ancient king’s palace. M: What a magnificent hall! When was it built W: (8) It was built at the beginning of the Ming dynasty, that is, in the early years of the fifteenth century.  M: But it’s still in excellent condition, (8) considering that it was built almost 600 years ago. Could I lake a few pictures of it W: Of course, you are welcome to do so. (9) Now there is a big lake behind the buildings.  M: It’s nice there. Look, a lot of people are boating on the lake. All of the flowers are in full bloom. What a charming place! W: Let’s climb up the hill. (10) We can get a fine view of the city from the hilltop. M: Oh, the views from tile hilltop are magnificent. W: There’s a beautiful garden over the hill. M: Let’s go there. W: How do you like this garden M: It’s tiny as a garden goes; but it has a charm of its own.根据原文两个(8)处可知，选项A，B，C的内容在对话中都提到，故选D。