I believe that A would best state the main theme. It took Buck determination and perseverance to survive, so I would assume it would pay off. Hope this helps!
Answer:
An old man has been hit by that lorry.
Explanation:
Out of the choices presented, "D. According to the governor, Sarah has never given up on anyone who needs help" seems to be the best option for this scenario. Out of the choices, D is presented with the most credibility being a statement from the governor (and Sarah is running for a seat on the city council).
I sharpened my skills under the mentorship of my coach.
You need a noun to complete this sentence, and mentorship is the only noun here - the rest of the words are adjectives.