＿＿when we passed by its nest.
A. Up into the blue sky did the bird fly
B. Up into the blue sky the bird flew
C. Up into the blue sky flew the bird
D. Flew up into the blue sky the bird
网友回答
A. Up into the blue sky did the bird fly
B. Up into the blue sky the bird flew
(答案→)C. Up into the blue sky flew the bird
D. Flew up into the blue sky the bird
解析：表示方位的副词及介词短语置于句首，名词作句子的主语时，句子的主谓用全部倒装。