The correct answer is D, 'River' is the word which should be capitalized.
By explaining the concept of being an “also-ran,” the author describes someone who enjoys participating in a contest even though he or she does not win. The quotation from paragraph 9 expresses the author's positive viewpoint of “also-rans” who “finish third in a three-horse race.
D because I’m order to know what this earth needs, it’s to do the downpour