It's got to be C because none of the others relate to collaboration, but I'd say if you were unsure about this answer then the only other sensible one could be B, but I'd go with C.
B “there,” he said. “There is something for you.”
<span><span>"he heard the slap of the window curtains
against the wall and the sound of paper fluttering from his desk,
and he had to push to close the door." quoted from the book</span></span>
Answer:
B
Explanation:
Because if you read it carefully it's ccomparing the boy to being healthy like a horse
The final draft. It's the stage where you want to fix minor details before turning it in, correcting the small stuff like grammar and spelling and punctuation.