from the top of hill the city looked like a big garden.A. Having seenB. SeeingC. To seeD

问题补充：

from the top of hill, the city looked like a big garden.

A. Having seen

B. Seeing

C. To see

D. Seen

答案：

A. Having seen

B. Seeing

C. To see

(答案→)D. Seen

解析：考查非谓语动词用法。The city与see构成被动关系，所以使用过去分词表示被动。ABC都表示主动。