Why does the author include details about the narrator’s brother making the baseball team in "the all-american slurp"?

to reveal the importance of physical fitness to the lin family
to highlight the lins’ admiration for american traditions
to illustrate the similarities between sports in america and china
to emphasize that each member of the lin family discovers how to fit in

Read the excerpt from infinite jest 'my application's not bought," i am telling them, calling into the darkness of the red cave that opens out before closed eyes. 'tam not just a boy who plays tennis. i have an intricate history. experiences and feelings. i'm complex. "read,' i say. 'i study and read. i bet i've read everything you've read. don't think i haven't. i consume libraries. i wear out spines and rom-drives. i do things like get in a taxi and say, "the library, and step on it." my instincts concerning syntax and mechanics are better than your own, i can tell, with due respect. the theme suggested by the excerpt is about a. being understood b. the value of education c. wisdom versus foolishness d. learning responsibility