这题为什么不选C啊?选D的原因是什么呢?The police have been looking for the missing girl the whole week but she is still nowhere ____C.seen D.to be seen

这题为什么不选C啊?选D的原因是什么呢?The police have been looking for the missing girl the whole week but she is still nowhere ____C.seen D.to be seen
这题为什么不选C啊?选D的原因是什么呢?
The police have been looking for the missing girl the whole week but she is still nowhere ____
C.seen D.to be seen

这题为什么不选C啊?选D的原因是什么呢?The police have been looking for the missing girl the whole week but she is still nowhere ____C.seen D.to be seen
to do不定式有表示将来的意思,这里是说还没有被看见,答案自然就是D了

因为这里的BUT是连词吖，
所以SHE IS。。。是一句句子。
如果选C就代表这是一个非谓语动词。所以不对咯。