问题
选择题
_______ from the top of the hill, the city is of round shape with a flowing river through it.
A．Seeing
B．To be seen
C．Seen
D．To be seeing
答案
答案：C
考查非谓语动词，the city与see之间是动宾关系，故用过去分词，句意：这座城市从山顶上被看的话，它的形状是圆的流水流经这里。故选C。
