It helps the bird to reach food in hard to get to places.
C is the choice I would make because I believe the writer is planning to answer this question: "and how come we think dogs are so smart". The writer never tells us what dogs can't do (a) or mention others being dumb (b) and doesn't make fun of humans (d)
Make sure you have enough supporting evidence about your topic. Hope it helps a little bit c:
Well u need to write the passage to understand where the write is going for
