＿＿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

＿＿when we passed by its nest.

1. A.
   Up into the blue sky did the bird fly
2. B.
   Up into the blue sky the bird flew
3. C.
   Up into the blue sky flew the bird
4. D.
   Flew up into the blue sky the bird