I would say C. I actually haven't read the passage, but based off of another question I saw, I'd say the answer is C.
The speaker sounds disappointed, as he was so close to finally grasping but they keep leaving him. It also says he chases them madly but is unable to catch them. Showing disappoint in himself.
He reacted because of the gift that he had gotten her. He didnt want her to cut it off.
Answer:
animals are supposed to be considered for trusting our bodies
