B. The narrator builds a richer, realistic image of Paul.
Explanation:
The main effect that the author wants to achieve is that of creating a richer and more realistic picture of Paul. The author tells us that describing Paul is very difficult because he was a very unique person with an unusual combination of characteristics. Therefore, in order to facilitate this difficult task of description, the narrator blends a narrative reflection with storytelling.
Various themes were in this excerpt "To and Athlete Dying Young" by A.E Housman. It introduces the idea of home, effect of time, how pride and competition go together, how death brings us into a new destination. On a nutshell, it's not talking about a typical teenage life or an athletes in general, but different experiences about life from college years. In the end, it exemplifies the beauty of dying young, wherein challenges can be avoided.