In the last sentence of the first paragraph ("The promise... unexpected quarters"), the promise of youth' refers to the same idea expressed by which of the following phrases from the first
paragraph?

Explanation: The author is talking about no fruit without flowers that is there is no result if there is 'NO' hard work done by the person and in order to get the flowers in the outcome, and there has to be some hard work to be done.

Also, the author said a thousand arrows were shot from the same point which they represent some may get the target and some may not get the target. The flight of all the arrows would always be different. some people will achieve the target and some won't.

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The promise of youth is expressed by the phrases "fruit without flowers", "flowers without fruit", "manhood" and "real excellence".                    

Explanation:

its d! the final exam asked good luck