【题目】When _____ from the top of the hill, the whole city looks more beautiful.
A. seeingB. seenC. is seenD. is seeing
在线课程【答案】B
【解析】
考查状语从句的省略句。句意：从山顶上看，整个城市看起来更美。分析句子可知，本句为状语从句的省略句，还原后为：When the whole city is seen from the top of the hill,因从句的主语与主句的主语相同，且从句的动词为be动词，所以主语和谓语可以省略。故B选项正确。