from the space the Great Wall looks like a dragon.A. Having seenB. SeenC. SeeingD. To se

问题补充：

from the space, the Great Wall looks like a dragon.

A. Having seen

B. Seen

C. Seeing

D. To see

答案：

A. Having seen

(答案→)B. Seen

C. Seeing

D. To see

解析：考察非谓语动词用法。The Great Wall与see之间是被动关系，使用过去分词表示被动。句意：从太空看，长城看起来像一条巨龙。