A               

题目分析：考查非谓语动词。句意：这个村子从山顶看，象个小盒子。两个句子共用一个主语，原句是 when it was seen from the top of the mountain, the village looks like a small box，可以把when it was 省略，所以选A项。         

考点 : 考查非谓语动词