C is the correct answer. I hope I was able to help you.
Another APEX Answer is:
Sometimes my heart was sinking so fast with anger, desolation, and weariness, I was afraid it would sink to the very bottom of the Pacific...(209)
Explanation:
Here Pi is fighting himself internally. He has depressing thoughts such as just giving up. He has a choice whether or not to act on those feelings which is the battle itself.
looks like the first row is your best bet, its easy and helps relay the point.
I'm not sure exactly which race you're referring to, but in the "match
race of the century", Sea-biscuit raced against a horse named War
Admiral.