If this is the missing excerpt from On the Road.
One day I was hanging around the campus and Chad and Tim Gray told me Dean was staying in a cold-water pad in East Harlem, the Spanish Harlem. Dean had arrived the night before, the first time in New York, with his beautiful little sharp chick Marylou; they got off the Greyhound bus at 50th Street and cut around the corner looking for a place to eat and went right in Hector's, and since then Hector's cafeteria has always been a big symbol of New York for Dean.
The statement that best describes how Kerouac's use of diction and syntax define his writing style is:
Kerouac's use of slang and long, uninterrupted sentences define his style as unconventional.