I have never seen ________ little birds eat ________ many insects in ________ a short time.

1. A.
   such, so, such
2. B.
   so, such, so
3. C.
   so, such, such
4. D.
   such, such, so

I have never seen ________ little birds eat ________ many insects in ________ a short time.

[　　]