I believe the answer is C. You can brake that sentence into to two sentences and it will flow better.
Hope that helps! :)
Answer:
Both Doodle and the scarlet ibis do not belong to the environment that surrounds them. The bird belongs to the tropical islands, not North Carolina. Yet, they both die with grace and dignity. They were both struggling as they died; when the narrator described Doodles dead form he pointed out his elongated vermillion neck and his knees which were bend at a weird angle which resembled that of the scarlet ibis.
D. This suggests that slave owners turn into tyrants.
Lentils cook much more quickly than pinto beans.